MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Brad Keller
Brad Keller
PHI · P
Change to
Portrait of Will Klein
Will Klein
LAD · 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); Will Klein 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
Will Klein
97.5
Swinging-Strike %lg 11.0% · higher = better
Brad Keller
10.1%
Will Klein
10.3%
Strikeout %lg 22.0% · higher = better
Brad Keller
23.7%
Will Klein
25.9%
Chase %lg 28.5% · higher = better
Brad Keller
28.0%
Will Klein
28.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Brad Keller
31.8%
Will Klein
37.9%
Barrel % Allowedlg 8.0% · lower = better
Brad Keller
4.5%
Will Klein
2.6%
xwOBA Allowedlg .315 · lower = better
Brad Keller
.284
Will Klein
.289
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
24.41
lg xERA 4.10
now 3.65
3.69
Will Klein
24.41
lg xERA 4.10
now 1.88
3.69
WHIPlower is better
Brad Keller
.9601.33
now 1.14
1.25
Will Klein
.9601.33
now 1.04
1.25

Volume · rest of season
Strikeoutshigher is better
Brad Keller
4039.20
now 28
0
Will Klein
4039.20
now 25
0
Winshigher is better
Brad Keller
.0002.80
now 2
0–0
Will Klein
.0002.80
now 1
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 & seeWill Klein — hold.conf 0.50
Tweet