MLB Daily DeltaWeek 19 · August 2, 2026
Portrait of Jonathan Bowlan
Jonathan Bowlan
PHI · 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

Jonathan Bowlan 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
Jonathan Bowlan
97.2
Robby Ahlstrom
94.5
Swinging-Strike %lg 11.0% · higher = better
Jonathan Bowlan
16.8%
Robby Ahlstrom
13.2%
Strikeout %lg 22.0% · higher = better
Jonathan Bowlan
30.0%
Robby Ahlstrom
20.2%
Chase %lg 28.5% · higher = better
Jonathan Bowlan
34.3%
Robby Ahlstrom
27.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Jonathan Bowlan
31.9%
Robby Ahlstrom
32.3%
Barrel % Allowedlg 8.0% · lower = better
Jonathan Bowlan
5.3%
Robby Ahlstrom
3.2%
xwOBA Allowedlg .315 · lower = better
Jonathan Bowlan
.255
Robby Ahlstrom
.298
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
Jonathan Bowlan
26.54
lg xERA 4.10
now 4.67
3.70
Robby Ahlstrom
26.54
lg xERA 4.10
now 0.00
3.70
WHIPlower is better
Jonathan Bowlan
.9001.74
now 1.15
1.24
Robby Ahlstrom
.9001.74
now 0.00
1.24

Volume · rest of season
Strikeoutshigher is better
Jonathan Bowlan
4031.40
now 16
13
Robby Ahlstrom
4031.40
now 2
23
Winshigher is better
Jonathan Bowlan
.0001.48
now 1
01
Robby Ahlstrom
.0001.48
now 0
00

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

If you already own them — trade angle
Hold · wait & seeJonathan Bowlan — hold.conf 0.50
Hold · wait & seeRobby Ahlstrom — hold.conf 0.50
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