Stephen Kolek
Age 29
Contract Value $786,806/yr
Size 6' 3" · 210
Throws RHP
Bats Right
From Houston, TX
4–3
W-L
4.50
ERA
1.24
WHIP
34
K
54.0
IP
10
GS
47P-ScoreBELOW AVG
Strong contact management with workload still trailing the rest of the profile. He ranks 129th among 226 qualified starters.
How P-Score worksStats updated Oct 19, 5:01 PM ETLast game Jul 2 vs TB
Season overview
How good is he?
StatPlayerMLB AvgPercentile
Run Prevention4650BELOW AVG
Skill4650BELOW AVG
Workload4150BELOW AVG
Consistency5050AVERAGE
Form4750BELOW AVG
Contact Management6050ABOVE AVG
Recent form
Last 5 startsGame log
Pitch arsenal (2026)
Usage %Velocity
- Four-seam FB28.3%94.3 mph
- Sinker21.7%93.7 mph
- Slider16.4%85.6 mph
- Cutter12.3%90.3 mph
- Changeup11.9%87.1 mph
- Sweeper9.3%79.9 mph
Hot / cold zones (vs RHB)
.250.385.000.238.414.455.231.353.190
- Better than MLB avg
- Similar to MLB avg
- Worse than MLB avg
Monthly ERA (2026)
Minimum 1 GSSplits
Home / away
Home (5 GS)
2.15
WHIP 0.99
Away (4 GS)
4.30
WHIP 1.22
2.15 ERA better at home
vs handedness
vs LHH
.757
vs RHH
.754
.003 OPS better vs RHH
By monthERA · IP · K
July13.502.00
June1.4019.115
May3.4831.019
Rest daysERA · WHIP · K/9
6+ days (5 GS)4.561.325.6
Sample sizes below four starts are not shown
Career
Frequently asked
What is Stephen Kolek's ERA in 2026?+
4.50 across 10 starts and 54.0 innings, with a 1.24 WHIP and a 4.54 FIP. That ERA ranks 140th among qualified starters.
When is his next start?+
No probable start has been announced.
What pitches does he throw?+
He throws four-seam fb (28.3% at 94.3 mph mph), sinker (21.7% at 93.7 mph mph), slider (16.4% at 85.6 mph mph), cutter (12.3% at 90.3 mph mph), changeup (11.9% at 87.1 mph mph), sweeper (9.3% at 79.9 mph mph).
What is his P-Score?+
47 out of 100, which we label below avg — 129th among 226 qualified starters.
How has he pitched in his last 5 starts?+
A 3.42 ERA, 6.8 K/9, 2.1 BB/9.