MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Andrew Alvarez
Andrew Alvarez
WSH · P
Change to
Garrett Whitlock
BOS · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Andrew Alvarez wins 2 (K, SV); Garrett Whitlock wins 2 (ERA, WHIP); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Andrew Alvarez
92.3
Garrett Whitlock
95.0
Swinging-Strike %lg 11.0% · higher = better
Andrew Alvarez
11.1%
Garrett Whitlock
17.6%
Strikeout %lg 22.0% · higher = better
Andrew Alvarez
22.7%
Garrett Whitlock
30.0%
Chase %lg 28.5% · higher = better
Andrew Alvarez
30.0%
Garrett Whitlock
41.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Andrew Alvarez
40.9%
Garrett Whitlock
35.3%
Barrel % Allowedlg 8.0% · lower = better
Andrew Alvarez
5.7%
Garrett Whitlock
3.4%
xwOBA Allowedlg .315 · lower = better
Andrew Alvarez
.321
Garrett Whitlock
.244
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
2.624.55
lg xERA 4.10
now 4.02
4.12
Garrett Whitlock
2.624.55
lg xERA 4.10
now 3.05
3.69
WHIPlower is better
Andrew Alvarez
11.49
now 1.28
1.38
Garrett Whitlock
11.49
now 1.11
1.24

Volume · rest of season
Strikeoutshigher is better
Andrew Alvarez
4034
now 17
9
Garrett Whitlock
4034
now 26
6
Winshigher is better
Andrew Alvarez
.0004.20
now 1
01
Garrett Whitlock
.0004.20
now 3
01
Saveshigher is better
Andrew Alvarez
.0002.40
now 1
01
Garrett Whitlock
.0002.40
now 0
0
If you already own them — trade angle
Hold · leans sellAndrew Alvarez — hold.conf 0.60
Sell HighGarrett Whitlock — sell high. His value is peaking; good time to trade him.conf 0.78
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