MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Andrew Nardi
Andrew Nardi
MIA · P
Change to
Portrait of Brad Keller
Brad Keller
PHI · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Andrew Nardi wins 1 (WHIP); Brad Keller wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Andrew Nardi
94.6
Brad Keller
97.0
Swinging-Strike %lg 11.0% · higher = better
Andrew Nardi
14.6%
Brad Keller
10.1%
Strikeout %lg 22.0% · higher = better
Andrew Nardi
27.3%
Brad Keller
23.7%
Chase %lg 28.5% · higher = better
Andrew Nardi
29.5%
Brad Keller
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Andrew Nardi
45.0%
Brad Keller
31.8%
Barrel % Allowedlg 8.0% · lower = better
Andrew Nardi
13.3%
Brad Keller
4.5%
xwOBA Allowedlg .315 · lower = better
Andrew Nardi
.348
Brad Keller
.284
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
Andrew Nardi
3.055.76
lg xERA 4.10
now 5.16
3.74
Brad Keller
3.055.76
lg xERA 4.10
now 3.65
3.69
WHIPlower is better
Andrew Nardi
1.031.52
now 1.41
1.24
Brad Keller
1.031.52
now 1.14
1.25

Volume · rest of season
Strikeoutshigher is better
Andrew Nardi
4039.20
now 27
0
Brad Keller
4039.20
now 28
0
Winshigher is better
Andrew Nardi
.0004.20
now 3
0–0
Brad Keller
.0004.20
now 2
0–0

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

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