wRC+ is not exposed by the MLB Stats API, so we surface the two closest proxies for an instant read on hitting quality.
wRC+ scales overall offense to 100 = league average, adjusting for park factors and league context. Because the MLB Stats API does not expose wRC+ directly, we display the two closest proxies: OPS+ (OPS divided by the MLB average .720) and xwOBA (expected wOBA derived from exit velocity and launch angle). OPS+ 100 is league average; 130+ is roughly equivalent to an All-Star caliber wRC+ 130, and 150+ approaches MVP territory. xwOBA averages around .320; anything north of .400 marks elite contact quality.
Munetaka Murakami made his MLB debut for the Chicago White Sox on Opening Day, March 26, 2026, against the Milwaukee Brewers — and homered to right field off Jake Woodford in the 9th inning, an estimated 384 feet at 103 mph exit velocity. Through 29 games (as of April 27), he has already hit 12 home runs with 23 RBI and a .965 OPS — leading all Japanese MLB hitters and placing him among MLB's most productive hitters in the young 2026 season. The "Reiwa Triple Crown Winner" is translating his NPB record of 56 home runs and Triple Crown directly onto the MLB stage. The heart of Murakami's game is a rare combination of all-fields power and elite plate discipline. His ability to drive the ball to right-center and left-center — not just pull-side — is the hallmark of a true 5-tool power hitter, and it translates directly to MLB. At Rate Field, one of the AL's more homer-friendly parks, his pull power has the potential to produce high home run totals early. Key sabermetric indicators to watch: barrel rate (exit velocity ≥98 mph at the right angle) and hard-hit rate to the pull side. The White Sox are in a full rebuild in 2026, relying on Murakami to anchor their lineup and serve as the face of the offense. His consistent individual production regardless of team context — a hallmark of his NPB career — makes him an ideal franchise piece even during a rebuild. Every game, every at-bat is tracked here.
Munetaka Murakami was drafted first overall by the Tokyo Yakult Swallows in 2017 from Kyushu Gakuin High School in Kumamoto Prefecture. After development in the farm system, he became a full-time regular and hit 36 home runs in 2019. He steadily grew into one of NPB's premier sluggers over the following years, but 2022 was when he made history: 56 home runs, a .318 batting average, and 134 RBI — winning the NPB Triple Crown while also surpassing Sadaharu Oh's longstanding record of 55 home runs in a season. The "Reiwa Triple Crown Winner" became a national hero overnight. In 2023, he delivered the defining moment of Japan's WBC championship run — a walk-off hit in the bottom of the 9th of the final against the USA that clinched the title. He remained among NPB's elite through 2025 before signing a multi-year deal with the Chicago White Sox to pursue his MLB dream in 2026. In terms of sabermetrics, the key metric to track in Murakami's first MLB season is wRC+ (weighted Runs Created Plus), which adjusts for park and league context. The White Sox play in Rate Field, one of the more homer-friendly parks in the AL, which could help his counting stats early. Like many NPB imports, his numbers may start slow as he adjusts to high-velocity sliders and cut fastballs before picking up in the second half. His ability to drive the ball to all fields with elite power — the core of what made him a 56 HR hitter — is the skill set that translates best to the MLB level.
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| Year | Team | G | AB | H | HR | RBI | SB | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026BEST | - | 51 | 179 | 43 | 17#2 | 36 | 0 | .240 | .380 | .542 | .922 |
| Career | - | 51 | 179 | 43 | 17 | 36 | 0 | .240 | .380 | .542 | .922 |
Murakami's 2026 defensive metrics are shown in the "2026 Defensive Summary" H2 section and the "Defensive Metrics (OAA)" card on this page. OAA (Outs Above Average) is Statcast's official MLB defensive metric, measuring how many outs a fielder records above what an average fielder would. DRS (Defensive Runs Saved) is the FanGraphs-side counterpart converted to a runs-prevented scale — this site shows Fielding Runs Prevented as a directly comparable proxy. Data is sourced from Baseball Savant's public leaderboard and refreshed every Monday. As a first baseman, his OAA scale is naturally compressed compared to outfielders, but the Fielding Runs Prevented value gives a clean read on his actual defensive contribution.
Murakami's latest 2026 stats — batting average, home runs, RBI, and OPS — are updated daily in the stats box at the top of this page. As the centerpiece of the rebuilding White Sox lineup, every game result is tracked here in real time.
wRC+ (weighted Runs Created Plus) is the most comprehensive single batting metric — it measures a hitter's total offensive value adjusted for ballpark and league context, with 100 being average. A wRC+ of 120+ indicates an above-average hitter; 150+ is MVP caliber. OPS+ is similar, adjusting OPS for park and era. Murakami's NPB OPS in 2022 was 1.031 — a historically elite number even by MLB standards. Projecting to a wRC+ of 120–140 after MLB adjustment would confirm his status as a franchise-caliber hitter for the White Sox.
The three main adjustments for Murakami in 2026 are: (1) elite velocity breaking balls — MLB sliders and cut fastballs are harder and have sharper movement than their NPB counterparts; (2) adapting to an MLB zone that can be tighter inside; and (3) sustaining production over 162 games. His key advantage is a balanced left-handed swing that generates power to all fields — not just pull-side home runs. Like many NPB hitters, expect a slower April–May adaptation period followed by stronger numbers from June onward.
In 2022, Murakami hit 56 home runs for the Yakult Swallows — the most by any Japanese-born player in a single NPB season — while also winning the Triple Crown with a .318 batting average and 134 RBI. His 56 HR surpassed Sadaharu Oh's long-standing record of 55 for a Japanese left-handed batter. The Triple Crown (leading the league in batting average, home runs, and RBI simultaneously) had not been won in NPB since 2004, making it one of the rarest and most celebrated achievements in modern Japanese baseball.
In the 2023 World Baseball Classic final between Japan and the United States, Murakami delivered a walk-off hit in the bottom of the 9th inning with two outs and a runner on base to clinch Japan's championship. The at-bat — coming against Mike Trout as the final out of the series — is remembered as the "at-bat of the century" in Japan and cemented Murakami's status as a national hero alongside Shohei Ohtani.
The "Season Analysis" section of this page shows monthly charts for batting average, home runs, and OPS. Tracking the month-by-month trend is particularly useful for NPB imports — many post slow April–May numbers during the adjustment phase before surging in June and beyond. Home vs. away splits at Rate Field (one of the AL's more homer-friendly parks) are also worth watching.
Murakami slots in as the White Sox's 3rd or 4th hitter — the traditional "heart of the order" — and is expected to serve as the face of the franchise during their rebuild. Chicago is counting on him to drive in runs, produce on-base percentage, and mentor younger hitters around him. His home park, Rate Field, has a notably short right field porch (330 feet) that should help his pull-side power. Sustaining production across the full 162-game MLB schedule is the biggest physical and mental challenge for any NPB import, but his youth (26 years old in 2026) gives him an edge.
Murakami profiles as a high-ISO, above-average BB%, all-fields power hitter in sabermetric terms. His NPB 2022 ISO (isolated power = SLG − AVG) exceeded .330 — equivalent to the top 5% of MLB. Even with an NPB-to-MLB translation discount, a .200–.250 MLB ISO is a realistic projection. His barrel rate (the percentage of batted balls hit at optimal exit velocity and launch angle) should be above MLB average, which means loud contact to all parts of the park regardless of ballpark dimensions. The main statistical vulnerability to monitor is his contact rate against low-and-away breaking balls — a zone that NPB pitchers also exploited against him at times. If he limits strikeouts on that pitch, a career .850+ OPS in MLB is within reach.
The closest MLB historical comparison for Murakami is Hideki Matsui (Yankees, 2003–2012), a left-handed power hitter who posted a career .799 OPS across 10 MLB seasons. But Murakami's raw power profile — 56 NPB home runs, .330 ISO — exceeds Matsui's NPB output at the time of his MLB transition. Unlike Shohei Ohtani (a special two-way case), Murakami is a pure DH/first baseman type, making Matsui the fairest comparison. Among all Japanese position players who have come to MLB, Murakami's power ceiling is arguably the highest. At 26 years old in 2026, he also has more runway to develop than many NPB imports who arrived in their late 20s or early 30s.
Murakami's today plate appearances (AB, hits, HR, RBI) are updated daily on the dedicated "Today" page. Pitch-by-pitch breakdowns, exit velocity, opposing pitcher arsenal, splits vs RHP/LHP, and a Unico AI analysis are all included. Live in-play updates run during the game; final results are posted by 18:00 JST.
Munetaka Murakami plays for the Chicago White Sox, slotting in as the 3rd or 4th hitter and the centerpiece of their lineup. He signed with Chicago after the 2025 NPB season via the posting system. He bats and throws left-handed and serves primarily as a third baseman / first baseman in 2026.
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Side-by-side season-stat comparisons featuring Munetaka Murakami against other Japanese MLB players.
Data: MLB Stats API · Auto-updated hourly
| Date | Opp | AB | H | HR | RBI | SB | BB | AVG |
|---|---|---|---|---|---|---|---|---|
| 05/24 | @ SF | 4 | 0 | 0 | 0 | 0 | 0 | .240 |
| 05/23 | @ SF | 3 | 1 | 0 | 3 | 0 | 1 | .246 |
| 05/21 | @ SEA | 5 | 2 | 0 | 1 | 0 | 0 | .244 |
| 05/20 | @ SEA | 2 | 0 | 0 | 0 | 0 | 2 | .240 |
| 05/19 | @ SEA | 3 | 2 | 0 | 0 | 0 | 1 | .242 |
| 05/18 | H CHC | 5 | 1 | 0 | 0 | 0 | 0 | .235 |
| 05/17 | H CHC | 3 | 2 | 2 | 3 | 0 | 1 | .236 |
| 05/16 | H CHC | 4 | 1 | 0 | 0 | 0 | 0 | .227 |
| 05/15 | H KC | 1 | 0 | 0 | 0 | 0 | 3 | .227 |
| 05/14 | H KC | 4 | 1 | 0 | 0 | 0 | 1 | .228 |
| Date | Opp | AB | H | HR | RBI | SB | BB | AVG |
|---|---|---|---|---|---|---|---|---|
| 05/24 | @ SF | 4 | 0 | 0 | 0 | 0 | 0 | .240 |
| 05/23 | @ SF | 3 | 1 | 0 | 3 | 0 | 1 | .246 |
| 05/21 | @ SEA | 5 | 2 | 0 | 1 | 0 | 0 | .244 |
| 05/20 | @ SEA | 2 | 0 | 0 | 0 | 0 | 2 | .240 |
| 05/19 | @ SEA | 3 | 2 | 0 | 0 | 0 | 1 | .242 |
| 05/18 | H CHC | 5 | 1 | 0 | 0 | 0 | 0 | .235 |
| 05/17 | H CHC | 3 | 2 | 2 | 3 | 0 | 1 | .236 |
| 05/16 | H CHC | 4 | 1 | 0 | 0 | 0 | 0 | .227 |
| 05/15 | H KC | 1 | 0 | 0 | 0 | 0 | 3 | .227 |
| 05/14 | H KC | 4 | 1 | 0 | 0 | 0 | 1 | .228 |
OAA (Outs Above Average) is Statcast's signature defensive metric — it measures how many outs a fielder makes above (or below) what an average fielder would on the same batted balls. +5 is above average, +10+ is Gold Glove caliber. Fielding Runs Prevented translates that into the same scale as offensive value (runs), making it directly comparable to a hitter's contribution.
UZR (Ultimate Zone Rating) — UZR is a well-known FanGraphs defensive metric, but this site does not compute it. We standardize on Baseball Savant's OAA / Fielding Runs Prevented as the primary defensive read.
Munetaka Murakami's 2026 OAA is -1. OAA is Statcast's flagship defensive metric: it measures how many outs a fielder records above what an average fielder would on the same batted balls. +5 is above average, +10+ is Gold Glove caliber. Data is sourced from Baseball Savant's public leaderboard and refreshed every Monday.
Munetaka Murakami's 2026 DRS-equivalent value is 0.0 (shown as Fielding Runs Prevented on the runs-saved scale). DRS (Defensive Runs Saved) is the FanGraphs-side counterpart metric — both convert defensive value into runs, so the two are directly comparable. This site standardizes on Savant's OAA / FRP rather than running its own DRS calculation.
UZR (Ultimate Zone Rating) is a FanGraphs-only defensive metric. This site does not compute UZR — for UZR specifically, refer to Munetaka Murakami's FanGraphs page. We standardize on Statcast OAA / FRP as the primary defensive read.
In-depth metrics aggregated from every at-bat and pitch. Collapsed by default.
Data as of: 2026-05-17
Green = improvement, red = decline. "—" means no data in the same month last year.
Batting
| Mar | Apr | May | |
|---|---|---|---|
| AVG | — | — | — |
| HR | — | — | — |
| OPS | — | — | — |
106 batted balls this season. Gold = Barrel, white border = HR. Shaded band is sweet spot (8–32°).
Comprehensive 2026 season analysis generated by Claude AI from stats data.
Through 41 games, Murakami sits in a paradox: a .228 average that falls well below the MLB average of .279 and beneath even the P25 range, yet a .907 OPS that clears the P90 threshold of .935 only narrowly but comfortably tops the P75 mark of .872. The engine is power and patience. His 15 home runs already exceed the P90 benchmark of 11, and his .545 slugging clears the P90 mark of .551 in close range. OBP at .362 lands right at league average, propped up by walks rather than contact. He is producing as a high-variance middle-of-the-order bat.
The power translation from NPB has been the headline. Fifteen home runs in 41 games projects to a 60-homer pace, and the .545 slugging sits in elite territory regardless of sample. Plate discipline is the quieter strength: a 134-point gap between AVG and OBP implies a walk rate well above league norms, suggesting he is not chasing to compensate for contact issues. He is taking his walks, punishing mistakes, and accepting the strikeouts that come with a power-first profile. The isolated power figure near .317 would rank among the league leaders.
Contact quality against MLB pitching is the clear gap. A .228 average is roughly 50 points below league average and signals an elevated strikeout rate and likely struggles with secondary pitches or velocity location. The OBP, while league average in absolute terms, is doing heavy lifting to mask the batting average, meaning when the home runs cool, the offensive value could compress quickly. He has yet to demonstrate he can adjust within at-bats when pitchers work outside the zone, and the dependence on the long ball leaves limited fallback production.
The trajectory depends on whether the contact rate stabilizes or scouting reports catch up. Pitchers will increasingly test the edges and off-speed offerings, and a dip in walk rate without contact gains would expose the profile. A realistic projection is some regression in slugging as the homer pace normalizes, partially offset by modest gains in average as he adjusts to MLB sequencing. If he holds an OPS in the .830 to .870 range over the next 80 games, the season qualifies as a successful transition. The floor is real, but so is the volatility.
AI-generated content (Claude)
Percentile rank against all MLB players (P25/P50/P75/P90). Triangle = player, line = MLB avg.
Aggregated from 106 balls in play this season.
Situational splits for the current season. See strengths and weaknesses by scenario.
| Split | PA | AVG | OBP | SLG | OPS | HR |
|---|---|---|---|---|---|---|
| vs RHP | 138 | .239 | .377 | .584 | .961 | 13 |
| vs LHP | 57 | .222 | .368 | .511 | .879 | 4 |
2026 Season · Most PA First (5+ PA)
Career-long performance trends for every key stat. How does this year compare to history?
| Season | G | HR | RBI | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|
| 2026Now | 46 | 17 | 32 | .230 |
Red bars are Hard-Hit (≥95 mph).
| Split | PA | AVG | OBP | SLG | OPS | HR |
|---|---|---|---|---|---|---|
| Home | 97 | .197 | .361 | .474 | .835 | 7 |
| Away | 97 | .272 | .392 | .654 | 1.046 | 10 |
| .294 |
| .294 |
| Chase FieldARI | 16 | 15 | 7 | 2 | .467 | .500 | 1.367 |
| Sutter Health ParkOAK | 15 | 12 | 5 | 3 | .417 | .533 | 1.700 |
| American Family FieldMIL | 13 | 9 | 3 | 3 | .333 | .538 | 1.872 |
| Petco ParkSD | 13 | 11 | 1 | 1 | .091 | .231 | .594 |
| T-Mobile ParkSEA | 13 | 10 | 4 | 0 | .400 | .538 | .938 |
| loanDepot parkMIA | 12 | 12 | 2 | 0 | .167 | .167 | .333 |
.553 |
.922 |
All 51 games of the 2026 season. Showing latest 10; click to expand.
| Date | Opp | AB | H | HR | RBI | BB | K | AVG |
|---|---|---|---|---|---|---|---|---|
| 05/24 | @ SF | 4 | 0 | 0 | 0 | 0 | 2 | .000 |
| @ SF | 3 | 1 | 0 | 3 | 1 | 2 | .333 | |
| @ SEA | 5 | 2 | 0 | 1 | 0 | 1 | .400 | |
| @ SEA | 2 | 0 | 0 | 0 | 2 | 2 | .000 | |
| @ SEA | 3 | 2 | 0 | 0 | 1 | 0 | .667 | |
| vs CHC | 5 | 1 | 0 | 0 | 0 | 1 | .200 | |
| vs CHC | 3 | 2 | 2 | 3 | 1 | 1 | .667 | |
| vs CHC | 4 | 1 | 0 | 0 | 0 | 1 | .250 | |
| vs KC | 1 | 0 | 0 | 0 | 3 | 0 | .000 | |
| vs KC | 4 | 1 | 0 | 0 | 1 | 0 | .250 |
| Date | Opp | AB | H | HR | RBI | BB | K | AVG |
|---|---|---|---|---|---|---|---|---|
| vs KC | 3 | 0 | 0 | 0 | 1 | 3 | .000 |
| 05/11 | vs SEA | 3 | 1 | 0 | 0 | 1 | 1 | .333 |
| 05/10 | vs SEA | 4 | 0 | 0 | 0 | 0 | 2 | .000 |
| 05/09 | vs SEA | 4 | 1 | 1 | 1 | 1 | 2 | .250 |
| 05/07 | @ LAA | 4 | 0 | 0 | 0 | 0 | 4 | .000 |
| 05/06 | @ LAA | 2 | 1 | 0 | 0 | 0 | 1 | .500 |
| 05/05 | @ LAA | 4 | 3 | 1 | 2 | 1 | 0 | .750 |
| 05/04 | @ SD | 4 | 0 | 0 | 0 | 0 | 2 | .000 |
| 05/03 | @ SD | 4 | 0 | 0 | 0 | 0 | 2 | .000 |
| 05/02 | @ SD | 3 | 1 | 1 | 3 | 2 | 0 | .333 |
| 04/30 | vs LAA | 2 | 0 | 0 | 0 | 3 | 1 | .000 |
| 04/29 | vs LAA | 5 | 1 | 0 | 0 | 0 | 4 | .200 |
| 04/28 | vs LAA | 4 | 2 | 1 | 3 | 0 | 0 | .500 |
| 04/27 | vs WSH | 4 | 0 | 0 | 0 | 0 | 2 | .000 |
| 04/26 | vs WSH | 5 | 0 | 0 | 0 | 0 | 3 | .000 |
| 04/25 | vs WSH | 3 | 1 | 1 | 1 | 1 | 1 | .333 |
| 04/24 | @ ARI | 5 | 1 | 0 | 0 | 0 | 3 | .200 |
| 04/23 | @ ARI | 5 | 3 | 1 | 2 | 0 | 1 | .600 |
| 04/22 | @ ARI | 5 | 3 | 1 | 1 | 1 | 0 | .600 |
| 04/20 | @ OAK | 5 | 1 | 1 | 2 | 0 | 2 | .200 |
| 04/19 | @ OAK | 2 | 1 | 1 | 1 | 3 | 1 | .500 |
| 04/18 | @ OAK | 5 | 3 | 1 | 4 | 0 | 2 | .600 |
| 04/17 | vs TB | 4 | 0 | 0 | 0 | 0 | 3 | .000 |
| 04/16 | vs TB | 2 | 1 | 0 | 0 | 2 | 1 | .500 |
| 04/15 | vs TB | 3 | 1 | 1 | 2 | 2 | 0 | .333 |
| 04/13 | @ KC | 3 | 0 | 0 | 0 | 2 | 1 | .000 |
| 04/12 | @ KC | 3 | 0 | 0 | 0 | 1 | 2 | .000 |
| 04/11 | @ KC | 4 | 0 | 0 | 0 | 0 | 3 | .000 |
| 04/10 | @ KC | 2 | 0 | 0 | 0 | 2 | 0 | .000 |
| 04/09 | vs BAL | 4 | 1 | 0 | 0 | 1 | 2 | .250 |
| 04/08 | vs BAL | 1 | 0 | 0 | 0 | 0 | 1 | .000 |
| 04/07 | vs BAL | 3 | 0 | 0 | 0 | 1 | 0 | .000 |
| 04/06 | vs TOR | 3 | 0 | 0 | 0 | 1 | 1 | .000 |
| 04/05 | vs TOR | 3 | 1 | 1 | 3 | 0 | 1 | .333 |
| 04/04 | vs TOR | 4 | 1 | 0 | 0 | 1 | 2 | .250 |
| 04/02 | @ MIA | 3 | 0 | 0 | 0 | 0 | 2 | .000 |
| 04/01 | @ MIA | 4 | 1 | 0 | 1 | 0 | 2 | .250 |
| 03/31 | @ MIA | 5 | 1 | 0 | 0 | 0 | 1 | .200 |
| 03/30 | @ MIL | 4 | 1 | 1 | 1 | 1 | 3 | .250 |
| 03/29 | @ MIL | 3 | 1 | 1 | 1 | 1 | 1 | .333 |
| 03/27 | @ MIL | 2 | 1 | 1 | 1 | 2 | 0 | .500 |
Older games on the left, most recent on the right. Color shows how they played.
Best: HR or 3+H · Good: 2H · OK: 1H · BB only · no hit