MLB Daily DeltaWeek 17 · July 20, 2026
Portrait of Grant Wolfram
Grant Wolfram
BAL · P
Change to
Robby Ahlstrom
TEX · 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

Grant Wolfram wins 1 (W); Robby Ahlstrom wins 1 (K); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Grant Wolfram
95.3
Robby Ahlstrom
94.6
Swinging-Strike %lg 11.0% · higher = better
Grant Wolfram
12.3%
Robby Ahlstrom
10.4%
Strikeout %lg 22.0% · higher = better
Grant Wolfram
25.0%
Robby Ahlstrom
12.1%
Chase %lg 28.5% · higher = better
Grant Wolfram
30.8%
Robby Ahlstrom
27.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Grant Wolfram
38.1%
Robby Ahlstrom
32.0%
Barrel % Allowedlg 8.0% · lower = better
Grant Wolfram
6.0%
Robby Ahlstrom
4.0%
xwOBA Allowedlg .315 · lower = better
Grant Wolfram
.292
Robby Ahlstrom
.336
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 Wolfram
25.63
lg xERA 4.10
now 4.02
3.70
Robby Ahlstrom
25.63
lg xERA 4.10
now 0.00
3.70
WHIPlower is better
Grant Wolfram
.9002.14
now 1.53
1.24
Robby Ahlstrom
.9002.14
now 0.00
1.24

Volume · rest of season
Strikeoutshigher is better
Grant Wolfram
4045.40
now 21
24
Robby Ahlstrom
4045.40
now 2
33
Winshigher is better
Grant Wolfram
.0002.80
now 1
12
Robby Ahlstrom
.0002.80
now 0
00

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

If you already own them — trade angle
Buy LowGrant Wolfram — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeRobby Ahlstrom — hold.conf 0.50
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