MLB Daily DeltaWeek 18 · July 28, 2026
Portrait of Jeffrey Springs
Jeffrey Springs
ATH · 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

Jeffrey Springs 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
Jeffrey Springs
91.4
Tyler Mahle
92.5
Swinging-Strike %lg 11.0% · higher = better
Jeffrey Springs
11.0%
Tyler Mahle
9.7%
Strikeout %lg 22.0% · higher = better
Jeffrey Springs
18.7%
Tyler Mahle
21.4%
Chase %lg 28.5% · higher = better
Jeffrey Springs
30.8%
Tyler Mahle
29.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Jeffrey Springs
35.8%
Tyler Mahle
35.9%
Barrel % Allowedlg 8.0% · lower = better
Jeffrey Springs
9.6%
Tyler Mahle
7.3%
xwOBA Allowedlg .315 · lower = better
Jeffrey Springs
.338
Tyler Mahle
.318
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
Jeffrey Springs
3.286.83
lg xERA 4.10
now 4.07
4.59
Tyler Mahle
3.286.83
lg xERA 4.10
now 6.04
4.19
WHIPlower is better
Jeffrey Springs
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
Jeffrey Springs
4062.60
now 57
45
Tyler Mahle
4062.60
now 57
49
Winshigher is better
Jeffrey Springs
.2003.80
now 3
13
Tyler Mahle
.2003.80
now 1
11

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

If you already own them — trade angle
SellJeffrey Springs — sell.conf 0.78
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
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