Houston Astros#45 · SP
Tatsuya Imai
Age 28
Contract Value $18,000,000/yr
Size 5' 11" · 176
Throws RHP
Bats Right
From Kanuma, Japan
6–4
W-L
5.35
ERA
1.47
WHIP
88
K
70.2
IP
15
GS
54P-ScoreAVERAGE
Imai combines very strong strikeouts & control with above avg consistency. He ranks 114th among 224 qualified starters.
How P-Score works →Stats updated Sep 7, 11:34 AM ETLast game Jul 27 at LAA
Season overview
How good is he?
StatPlayerMLB AvgPercentile
Results4350BELOW AVG
Strikeouts & Control8050VERY STRONG
Run Prevention3550WEAK
Consistency6550ABOVE AVG
Form5250AVERAGE
Recent form
Last 5 startsPitch arsenal (2026)
Usage %Velocity
- Slider45.7%86.6 mph
- Four-seam FB43.9%94.8 mph
- Sinker4.5%94.5 mph
- Splitter3.1%84.7 mph
- Changeup2.4%86.7 mph
- Curveball0.4%77.6 mph
Hot / cold zones (vs RHB)
.267.286.167.150.412.389.190.304.188
- Better than MLB avg
- Similar to MLB avg
- Worse than MLB avg
Monthly ERA (2026)
Minimum 1 GSSplits
Home / away
Home (7 GS)
6.68
WHIP 1.61
Away (8 GS)
4.88
WHIP 1.45
1.80 ERA better on the road
vs handedness
vs LHH
.734
vs RHH
.645
.089 OPS better vs RHH
By monthERA · IP · K
July7.7111.214
June5.0917.230
May4.7920.215
April4.506.09
March13.502.24
Rest daysERA · WHIP · K/9
6+ days (14 GS)5.461.4810.9
Sample sizes below four starts are not shown
Career
Frequently asked
What is Tatsuya Imai's ERA in 2026?+
5.35 across 15 starts and 70.2 innings, with a 1.47 WHIP and a 4.43 FIP. That ERA ranks 182nd among qualified starters.
When is his next start?+
No probable start has been announced.
What pitches does he throw?+
He throws slider (45.7% at 86.6 mph mph), four-seam fb (43.9% at 94.8 mph mph), sinker (4.5% at 94.5 mph mph), splitter (3.1% at 84.7 mph mph), changeup (2.4% at 86.7 mph mph), curveball (0.4% at 77.6 mph mph).
What is his P-Score?+
54 out of 100, which we label average — 114th among 224 qualified starters.
How has he pitched in his last 5 starts?+
A 5.09 ERA, 12.2 K/9, 8.2 BB/9.