MLB Daily DeltaWeek 18 · July 28, 2026
Portrait of Chase Silseth
Chase Silseth
LAA · 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

Chase Silseth 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
Chase Silseth
96.0
Robby Ahlstrom
94.6
Swinging-Strike %lg 11.0% · higher = better
Chase Silseth
15.5%
Robby Ahlstrom
13.1%
Strikeout %lg 22.0% · higher = better
Chase Silseth
27.6%
Robby Ahlstrom
20.2%
Chase %lg 28.5% · higher = better
Chase Silseth
31.5%
Robby Ahlstrom
28.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Chase Silseth
31.7%
Robby Ahlstrom
32.8%
Barrel % Allowedlg 8.0% · lower = better
Chase Silseth
8.9%
Robby Ahlstrom
3.4%
xwOBA Allowedlg .315 · lower = better
Chase Silseth
.299
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
Chase Silseth
25.18
lg xERA 4.10
now 1.74
3.70
Robby Ahlstrom
25.18
lg xERA 4.10
now 0.00
3.70
WHIPlower is better
Chase Silseth
.9001.96
now 1.40
1.24
Robby Ahlstrom
.9001.96
now 0.00
1.24

Volume · rest of season
Strikeoutshigher is better
Chase Silseth
4034.20
now 20
15
Robby Ahlstrom
4034.20
now 2
25
Winshigher is better
Chase Silseth
.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 & seeChase Silseth — hold.conf 0.50
Buy LowRobby Ahlstrom — buy low. The dip is a window to acquire.conf 0.90
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