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Tatsuya Imai

#45 - Relief Pitcher

Houston Astros

Bats / Throws Right / Right
Date of Birth 5/9/1998 (28)
Height, Weight 5'11", 176 lb
Hometown Kanuma, JPN

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 75.2 5.00 1.44 28.4% 15.3%
219th 3
Sv
43rd 51.0
IP
262nd 4.20
ERA
235th 1.35
WHIP
47th 22.6%
K%
334th 9.8%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.8 14.3% 30.0% 48.1% 5.4% 4.63 5.28
179th 94.7
FB MPH
79th 12.1%
SwStr%
97th 28.5%
CSW%
282nd 51.2%
Str-ICR
243rd 4.7%
MTK%
343rd 4.94
PLV
348th 3.50
PLA

Articles

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9/2/2026Fantasy Baseball Relief Pitcher Roundup: 9/1Rick Graham

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8/21/2026Fantasy Baseball Relief Pitcher Roundup: 8/20Rick Graham

See More Articles
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Tatsuya Imai Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR% GB% SwStr% CSW% IPR% PLV
2026 HOU 22 15 75.2 6-4 0 0 5.00 1.44 4.86 4.30 4.14 5.28 28.4% 15.3% 6.9 1.07 .282 20.5% 70.7% 44.0% 44.0% 14.3% 30.0% 0.53 4.63
RP MLB Percentile 19 95 87 85-18 0 0 26 32 22 42 55 1 86 5 75 45 57 33 40 6 49 78 70 60 2
RP MLB AVG 41 2 51.0 3-3 3 7 4.20 1.35 4.19 4.19 4.25 3.50 22.6% 9.8% 8.3 1.10 .291 17.7% 72.6% 36.8% 44.0% 12.1% 28.5% 0.50 4.94
Career 22 15 75.2 6-4 0 0 5.00 1.44 4.86 4.29 4.13 5.28 28.4% 15.3% 6.9 1.07 .282 20.5% 70.7% 44.0% 44.0% 14.3% 30.0% 0.53 4.63

Tatsuya Imai Repertoire

2026 All
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Tatsuya Imai Game Log

Tatsuya Imai Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2026 HOU 22 15 75.2 6-4 5 0 0 1,441 855 587 334 58 40 9 0 9 95 51 4 2
RP MLB Percentile 19 95 87 85-18 97 0 0 92 90 7 90 18 19 33 48 14 94 1 16 31
RP MLB AVG 41 2 51.0 3-3 0 3 7 853 545 308 219 46 31 9 1 6 50 21 3 2
Career 22 15 75.2 6-4 5 0 0 1,441 855 587 334 58 40 9 0 9 95 51 4 2

Tatsuya Imai Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2026 HOU 28.4% 15.3% .210 .341 .680 .312 .282 .317 .232 .345 .306 .414 88.2 89.9 12.9 4.86
RP MLB Percentile 86 5 76 72 61 54 57 53 53 22 19 13 40 41 51 22
RP MLB AVG 22.6% 9.8% .241 .390 .714 .315 .291 .322 .235 .315 .280 .359 87.6 89.2 13.1 4.19
Career 28.4% 15.3% .210 .341 .680 .312 .282 .317 .232 .345 .306 .414 88.2 89.9 12.9 4.86

Tatsuya Imai Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2026 HOU44.2% (94.8)4.2% (94.5)-45.7% (86.6)-0.4% (77.6)2.6% (86.8)2.9% (84.7)- 48.4% 51.6%
RP MLB Percentile 63 (48) - - 91 (52) - - 4 (55) - - 45.5% 54.6%
RP MLB AVG 38.7% (94.7) 26.7% (94.1) 19.7% (89.4) 25.8% (86.1) 21.0% (82.4) 15.4% (80.3) 17.5% (86.1) 18.9% (86.6) 42.7% (61.5) 48.7% 51.2%
Career44.2% (94.8)4.2% (94.5)-45.7% (86.6)-0.4% (77.6)2.6% (86.8)2.9% (84.7)- 48.4% 51.6%

Tatsuya Imai Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2026 HOU29.5% (51)21.3% (5)-31.5% (137)-33.3% (0)40.5% (7)16.7% (6)- 28.8% 31.1%
RP MLB Percentile 68 (18) - - 62 (1) - - 97 (56) - - 60.5% 69.9%
RP MLB AVG 27.1% (31) 27.4% (13) 26.9% (14) 29.6% (27) 28.4% (19) 27.2% (15) 22.3% (20) 22.5% (20) 19.3% (9) 27.9% 28.8%
Career29.5% (51)21.3% (5)-31.5% (137)-33.3% (0)40.5% (7)16.7% (6)- 28.8% 31.1%

Tatsuya Imai Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR%
2026 HOU 44.0% 23.4% 23.9% 8.7% 39.1% 37.5% 34.8% 27.7% 16.6% 56.0% 27.7% 8.2% 8.2% 44.0%
RP MLB Percentile 49 31 45 41 18 25 63 68 26 7 20 17 25 6
RP MLB AVG 44.0% 21.7% 24.2% 10.1% 34.7% 41.0% 33.6% 25.4% 18.2% 62.9% 24.6% 5.8% 6.8% 36.8%
Career 44.0% 23.4% 23.9% 8.7% 39.1% 37.5% 34.8% 27.7% 16.6% 56.0% 27.7% 8.2% 8.2% 44.0%

Tatsuya Imai Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR% IPA%
2026 HOU .210 .312 .282 .317 .232 .345 .306 .414 88.2 89.9 12.9 20.5% 44.0% 24.3%
RP MLB Percentile 76 54 57 53 53 22 19 13 40 41 51 33 6 52
RP MLB AVG .241 .315 .291 .322 .235 .315 .280 .359 87.6 89.2 13.1 17.7% 36.8% 24.4%
Career .210 .312 .282 .317 .232 .345 .306 .414 88.2 89.9 12.9 20.5% 44.0% 24.3%

Tatsuya Imai Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR% Str-ICR
2026 HOU 41.1% 59.3% 43.7% 29.1% 32.8% 16.6% 67.2% 80.4% 47.0% 15.7% 14.3% 30.0% 12.8% 55.3% 0.53 48.1%
RP MLB Percentile 13 5 14 25 91 26 91 78 92 38 78 70 3 13 60 19
RP MLB AVG 44.5% 63.8% 47.4% 31.7% 25.6% 18.2% 74.4% 84.0% 58.5% 16.4% 12.1% 28.5% 17.1% 58.4% 0.50 51.2%
Career 41.1% 59.3% 43.7% 29.1% 32.8% 16.6% 67.2% 80.4% 47.0% 15.7% 14.3% 30.0% 12.8% 55.3% 0.53 48.1%

Tatsuya Imai Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2026 HOU 41.1% 39.5% 27.2% 33.3% 35.1% 22.3% 42.6% 29.4% 43.4% 6.6%
RP MLB Percentile 13 78 47 20 43 56 62 47 50 50
RP MLB AVG 44.5% 34.6% 27.0% 38.4% 36.2% 22.9% 40.9% 29.9% 43.1% 6.6%
Career 41.1% 39.5% 27.2% 33.3% 35.1% 22.3% 42.6% 29.4% 43.4% 6.6%

Tatsuya Imai Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2026 HOU 55.7% 14.8% 29.8% 10.1% 52.5% 46.9% 20.0% 30.2% 22.1%
RP MLB Percentile 8 11 50 4 5 24 36 80 76
RP MLB AVG 58.6% 12.1% 29.9% 14.5% 61.1% 50.3% 21.2% 26.8% 19.3%
Career 55.7% 14.8% 29.8% 10.1% 52.5% 46.9% 20.0% 30.2% 22.1%

Tatsuya Imai PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2026 HOU 1,441 4.63 39.1% 17.3% 43.6% -4.4% 5.4% -10.1 -15 5.28
RP MLB Percentile 92 2 2 48 1 1 30 89 97 1
RP MLB AVG 853 4.94 45.9% 17.4% 36.7% 9.2% 4.7% 0.7 0 3.50
Career 1,441 4.63 39.1% 17.3% 43.6% -4.4% 5.4% -10.1 -15 5.28
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