MLB Daily DeltaWeek 19 · August 2, 2026
Portrait of Grant Holmes
Grant Holmes
ATL · 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

Grant Holmes 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
Grant Holmes
94.2
Tyler Mahle
92.6
Swinging-Strike %lg 11.0% · higher = better
Grant Holmes
12.9%
Tyler Mahle
9.5%
Strikeout %lg 22.0% · higher = better
Grant Holmes
19.6%
Tyler Mahle
21.1%
Chase %lg 28.5% · higher = better
Grant Holmes
31.5%
Tyler Mahle
28.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Grant Holmes
42.9%
Tyler Mahle
36.1%
Barrel % Allowedlg 8.0% · lower = better
Grant Holmes
9.7%
Tyler Mahle
6.8%
xwOBA Allowedlg .315 · lower = better
Grant Holmes
.337
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
Grant Holmes
3.116.88
lg xERA 4.10
now 3.95
4.57
Tyler Mahle
3.116.88
lg xERA 4.10
now 6.04
4.14
WHIPlower is better
Grant Holmes
1.251.62
now 1.33
1.38
Tyler Mahle
1.251.62
now 1.54
1.39

Volume · rest of season
Strikeoutshigher is better
Grant Holmes
4062.60
now 53
43
Tyler Mahle
4062.60
now 57
45
Winshigher is better
Grant Holmes
.0004.20
now 3
13
Tyler Mahle
.0004.20
now 1
01

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

If you already own them — trade angle
Sell HighGrant Holmes — 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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