MLB Daily DeltaWeek 13 · June 23, 2026
Portrait of Gerrit Cole
Gerrit Cole
NYY · P
Change to
Portrait of Stephen Kolek
Stephen Kolek
KC · P
Change to
Who's more valuable, rest of season

Stephen Kolek.

He projects to help you in more roto categories the rest of the way — ERA and wins.

Head-to-head
K
ERA
WHIP
W
SV n/a

Stephen Kolek wins 2 categories (ERA, W); Gerrit Cole wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Gerrit Cole
96.6
Stephen Kolek
94.1
Swinging-Strike %lg 11.0% · higher = better
Gerrit Cole
8.1%
Stephen Kolek
9.7%
Strikeout %lg 22.0% · higher = better
Gerrit Cole
21.4%
Stephen Kolek
16.0%
Chase %lg 28.5% · higher = better
Gerrit Cole
30.9%
Stephen Kolek
26.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Gerrit Cole
31.0%
Stephen Kolek
38.6%
Barrel % Allowedlg 8.0% · lower = better
Gerrit Cole
5.1%
Stephen Kolek
7.2%
xwOBA Allowedlg .315 · lower = better
Gerrit Cole
.258
Stephen Kolek
.304
stabilized — trust it · small sample yet · dashed = league avg · right = better
05

The tape

Rest-of-season projection · bold = leads
rest-of-season projection current season projection range
Rate · earned-run quality
ERAlower is better
Gerrit Cole
25.74
lg xERA 4.10
now 0.00
4.10
Stephen Kolek
25.74
lg xERA 4.10
now 3.48
3.79
WHIPlower is better
Gerrit Cole
.9001.54
now 0.71
1.30
Stephen Kolek
.9001.54
now 0.94
1.30

Volume · rest of season
Strikeoutshigher is better
Gerrit Cole
40104.40
now 12
78
Stephen Kolek
40104.40
now 19
47
Winshigher is better
Gerrit Cole
.00013.60
now 1
38
Stephen Kolek
.00013.60
now 3
510

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · wait & seeGerrit Cole — hold.conf 0.50
BuyStephen Kolek — buy.conf 0.69
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