MLB Daily DeltaWeek 18 · July 28, 2026
Joe Mantiply
TOR · 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

Joe Mantiply 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
Joe Mantiply
88.8
Robby Ahlstrom
94.6
Swinging-Strike %lg 11.0% · higher = better
Joe Mantiply
8.3%
Robby Ahlstrom
13.1%
Strikeout %lg 22.0% · higher = better
Joe Mantiply
22.5%
Robby Ahlstrom
20.2%
Chase %lg 28.5% · higher = better
Joe Mantiply
35.9%
Robby Ahlstrom
28.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Joe Mantiply
44.0%
Robby Ahlstrom
32.8%
Barrel % Allowedlg 8.0% · lower = better
Joe Mantiply
10.0%
Robby Ahlstrom
3.4%
xwOBA Allowedlg .315 · lower = better
Joe Mantiply
.332
Robby Ahlstrom
.310
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
Joe Mantiply
25.18
lg xERA 4.10
now 2.04
3.70
Robby Ahlstrom
25.18
lg xERA 4.10
now 0.00
3.70
WHIPlower is better
Joe Mantiply
.9001.74
now 1.13
1.24
Robby Ahlstrom
.9001.74
now 0.00
1.24

Volume · rest of season
Strikeoutshigher is better
Joe Mantiply
4034.20
now 16
15
Robby Ahlstrom
4034.20
now 2
25
Winshigher is better
Joe Mantiply
.0001.48
now 1
11
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 & seeJoe Mantiply — hold.conf 0.50
Buy LowRobby Ahlstrom — buy low. The dip is a window to acquire.conf 0.90
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