MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Brad Keller
Brad Keller
PHI · P
Change to
Portrait of Evan Sisk
Evan Sisk
PIT · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Brad Keller wins 0 (none); Evan Sisk wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brad Keller
97.0
Evan Sisk
91.5
Swinging-Strike %lg 11.0% · higher = better
Brad Keller
10.1%
Evan Sisk
11.1%
Strikeout %lg 22.0% · higher = better
Brad Keller
23.7%
Evan Sisk
25.4%
Chase %lg 28.5% · higher = better
Brad Keller
28.0%
Evan Sisk
23.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Brad Keller
31.8%
Evan Sisk
30.0%
Barrel % Allowedlg 8.0% · lower = better
Brad Keller
4.5%
Evan Sisk
3.6%
xwOBA Allowedlg .315 · lower = better
Brad Keller
.284
Evan Sisk
.296
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
Brad Keller
24.60
lg xERA 4.10
now 3.65
3.69
Evan Sisk
24.60
lg xERA 4.10
now 1.44
3.70
WHIPlower is better
Brad Keller
.9601.33
now 1.14
1.25
Evan Sisk
.9601.33
now 1.04
1.25

Volume · rest of season
Strikeoutshigher is better
Brad Keller
4042
now 28
0
Evan Sisk
4042
now 30
0
Winshigher is better
Brad Keller
.0002.80
now 2
0–0
Evan Sisk
.0002.80
now 0
0–0

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

If you already own them — trade angle
Hold · wait & seeBrad Keller — hold.conf 0.50
Hold · wait & seeEvan Sisk — hold.conf 0.50
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