Heat Check

KC / Last 10 qualified starts

Stephen Kolek

Form through 2026-06-15

54

Even form / 6 of 10

ERA 1.59 · WHIP 1.01 · K/9 5.7 · IP 39.2

Steady +0.0

Season form trend

Rolling GS+

204060802026-05-17 vs STL: GS+ 55, 6.1 IP2026-05-23 vs SEA: GS+ 60, 9.0 IP2026-05-29 vs TEX: GS+ 42, 5.0 IP2026-06-03 vs CIN: GS+ 54, 7.0 IP2026-06-09 vs TEX: GS+ 48, 5.0 IP2026-06-14 vs HOU: GS+ 62, 7.1 IPBestWorst05-1705-2305-2906-0306-0906-14
Season form data
2026-05-1755
2026-05-2360
2026-05-2942
2026-06-0354
2026-06-0948
2026-06-1462

GS+ game log

Recent start depth

2026-06-14 / Plus

vs HOU

7.1 IP, 5 H, 0 ER, 1 BB, 4 K

62

GS+

11%

Whiff

96.3

Top velo

Inning velo shape

92.8 mph91.7 mph89.6 mph89.8 mph85.8 mph89.9 mph90.1 mph85.6 mph

2026-06-09 / Solid

vs TEX

5.0 IP, 8 H, 1 ER, 1 BB, 3 K

48

GS+

12%

Whiff

95.1

Top velo

Inning velo shape

87.1 mph90.0 mph89.1 mph88.6 mph89.1 mph

2026-06-03 / Solid

vs CIN

7.0 IP, 6 H, 2 ER, 2 BB, 8 K

54

GS+

7%

Whiff

96.0

Top velo

Inning velo shape

91.0 mph90.5 mph92.4 mph90.6 mph89.7 mph91.5 mph90.3 mph