MLB Daily DeltaWeek 19 · July 30, 2026
Portrait of Eduardo Rodriguez
Eduardo Rodriguez
AZ · P
Change to
Portrait of Tyler Mahle
Tyler Mahle
SF · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Eduardo Rodriguez wins 2 (WHIP, W); Tyler Mahle wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Eduardo Rodriguez
92.0
Tyler Mahle
92.6
Swinging-Strike %lg 11.0% · higher = better
Eduardo Rodriguez
9.2%
Tyler Mahle
9.5%
Strikeout %lg 22.0% · higher = better
Eduardo Rodriguez
17.0%
Tyler Mahle
21.1%
Chase %lg 28.5% · higher = better
Eduardo Rodriguez
29.0%
Tyler Mahle
28.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Eduardo Rodriguez
36.3%
Tyler Mahle
36.1%
Barrel % Allowedlg 8.0% · lower = better
Eduardo Rodriguez
9.3%
Tyler Mahle
6.8%
xwOBA Allowedlg .315 · lower = better
Eduardo Rodriguez
.341
Tyler Mahle
.315
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
27.56
lg xERA 4.10
now 2.24
4.68
Tyler Mahle
27.56
lg xERA 4.10
now 6.04
4.15
WHIPlower is better
Eduardo Rodriguez
1.051.68
now 1.19
1.36
Tyler Mahle
1.051.68
now 1.54
1.39

Volume · rest of season
Strikeoutshigher is better
Eduardo Rodriguez
4064.20
now 52
39
Tyler Mahle
4064.20
now 57
48
Winshigher is better
Eduardo Rodriguez
.0006.60
now 5
25
Tyler Mahle
.0006.60
now 1
11

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 · steadyTyler Mahle — hold.conf 0.60
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