MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Andrew Alvarez
Andrew Alvarez
WSH · P
Change to
Portrait of Chase Silseth
Chase Silseth
TEX · 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); Chase Silseth 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
Chase Silseth
95.9
Swinging-Strike %lg 11.0% · higher = better
Andrew Alvarez
11.7%
Chase Silseth
15.3%
Strikeout %lg 22.0% · higher = better
Andrew Alvarez
24.1%
Chase Silseth
27.3%
Chase %lg 28.5% · higher = better
Andrew Alvarez
30.0%
Chase Silseth
30.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Andrew Alvarez
40.7%
Chase Silseth
32.3%
Barrel % Allowedlg 8.0% · lower = better
Andrew Alvarez
6.2%
Chase Silseth
9.0%
xwOBA Allowedlg .315 · lower = better
Andrew Alvarez
.315
Chase Silseth
.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
24.95
lg xERA 4.10
now 4.02
4.03
Chase Silseth
24.95
lg xERA 4.10
now 1.74
3.82
WHIPlower is better
Andrew Alvarez
1.211.47
now 1.28
1.36
Chase Silseth
1.211.47
now 1.40
1.40

Volume · rest of season
Strikeoutshigher is better
Andrew Alvarez
4028
now 17
0
Chase Silseth
4028
now 20
0
Winshigher is better
Andrew Alvarez
.0001.48
now 1
0–0
Chase Silseth
.0001.48
now 1
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 buyChase Silseth — hold.conf 0.60
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