MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Eduardo Rodriguez
Eduardo Rodriguez
AZ · P
Change to
Portrait of Stephen Kolek
Stephen Kolek
KC · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

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

Eduardo Rodriguez wins 1 (K); Stephen Kolek wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Eduardo Rodriguez
92.0
Stephen Kolek
94.2
Swinging-Strike %lg 11.0% · higher = better
Eduardo Rodriguez
10.3%
Stephen Kolek
9.6%
Strikeout %lg 22.0% · higher = better
Eduardo Rodriguez
18.0%
Stephen Kolek
15.2%
Chase %lg 28.5% · higher = better
Eduardo Rodriguez
30.1%
Stephen Kolek
26.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Eduardo Rodriguez
33.0%
Stephen Kolek
36.9%
Barrel % Allowedlg 8.0% · lower = better
Eduardo Rodriguez
7.4%
Stephen Kolek
6.8%
xwOBA Allowedlg .315 · lower = better
Eduardo Rodriguez
.320
Stephen Kolek
.303
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
Eduardo Rodriguez
25.04
lg xERA 4.10
now 2.24
4.24
Stephen Kolek
25.04
lg xERA 4.10
now 3.48
3.84
WHIPlower is better
Eduardo Rodriguez
.9001.47
now 1.19
1.32
Stephen Kolek
.9001.47
now 0.94
1.32

Volume · rest of season
Strikeoutshigher is better
Eduardo Rodriguez
4069.60
now 52
10
Stephen Kolek
4069.60
now 19
8
Winshigher is better
Eduardo Rodriguez
.0006.60
now 5
11
Stephen Kolek
.0006.60
now 3
12

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

If you already own them — trade angle
Sell HighEduardo Rodriguez — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · leans buyStephen Kolek — hold.conf 0.60
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