MLB Daily DeltaWeek 18 · July 23, 2026
Portrait of Tyler Mahle
Tyler Mahle
SF · P
Change to
Zac Thornton
NYM · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Tyler Mahle
92.5
Zac Thornton
92.2
Swinging-Strike %lg 11.0% · higher = better
Tyler Mahle
9.7%
Zac Thornton
10.6%
Strikeout %lg 22.0% · higher = better
Tyler Mahle
21.4%
Zac Thornton
19.5%
Chase %lg 28.5% · higher = better
Tyler Mahle
29.0%
Zac Thornton
31.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Tyler Mahle
35.9%
Zac Thornton
37.5%
Barrel % Allowedlg 8.0% · lower = better
Tyler Mahle
7.3%
Zac Thornton
12.5%
xwOBA Allowedlg .315 · lower = better
Tyler Mahle
.319
Zac Thornton
.317
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
Tyler Mahle
3.326.82
lg xERA 4.10
now 6.04
4.22
Zac Thornton
3.326.82
lg xERA 4.10
now 4.35
4.10
WHIPlower is better
Tyler Mahle
1.011.69
now 1.54
1.39
Zac Thornton
1.011.69
now 1.16
1.30

Volume · rest of season
Strikeoutshigher is better
Tyler Mahle
4075.80
now 57
54
Zac Thornton
4075.80
now 10
42
Winshigher is better
Tyler Mahle
.0001.48
now 1
11
Zac Thornton
.0001.48
now 0
00

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

If you already own them — trade angle
Buy LowTyler Mahle — buy low. The dip is a window to acquire.conf 0.90
Sell HighZac Thornton — sell high. His value is peaking; good time to trade him.conf 0.95
Tweet