MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Andrew Alvarez
Andrew Alvarez
WSH · P
Change to
Portrait of Tim Herrin
Tim Herrin
CLE · 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 Alvarez wins 1 (WHIP); Tim Herrin 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 Alvarez
92.2
Tim Herrin
94.7
Swinging-Strike %lg 11.0% · higher = better
Andrew Alvarez
11.7%
Tim Herrin
14.4%
Strikeout %lg 22.0% · higher = better
Andrew Alvarez
24.1%
Tim Herrin
22.5%
Chase %lg 28.5% · higher = better
Andrew Alvarez
30.0%
Tim Herrin
32.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Andrew Alvarez
40.7%
Tim Herrin
37.3%
Barrel % Allowedlg 8.0% · lower = better
Andrew Alvarez
6.2%
Tim Herrin
8.5%
xwOBA Allowedlg .315 · lower = better
Andrew Alvarez
.315
Tim Herrin
.304
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 Alvarez
3.044.31
lg xERA 4.10
now 4.02
4.03
Tim Herrin
3.044.31
lg xERA 4.10
now 3.32
3.82
WHIPlower is better
Andrew Alvarez
1.141.77
now 1.28
1.36
Tim Herrin
1.141.77
now 1.63
1.40

Volume · rest of season
Strikeoutshigher is better
Andrew Alvarez
4023.80
now 17
0
Tim Herrin
4023.80
now 16
0
Winshigher is better
Andrew Alvarez
.0001.48
now 1
0–0
Tim Herrin
.0001.48
now 0
0–0

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

If you already own them — trade angle
Hold · steadyAndrew Alvarez — hold.conf 0.60
Hold · leans buyTim Herrin — hold.conf 0.60
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