MLB Daily DeltaWeek 27 · September 27, 2026
Matthew Boyd
CHC · P
Change to
Portrait of Will Warren
Will Warren
NYY · 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

Matthew Boyd wins 1 (WHIP); Will Warren 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
Matthew Boyd
92.8
Will Warren
93.7
Swinging-Strike %lg 11.0% · higher = better
Matthew Boyd
11.0%
Will Warren
10.0%
Strikeout %lg 22.0% · higher = better
Matthew Boyd
18.5%
Will Warren
23.3%
Chase %lg 28.5% · higher = better
Matthew Boyd
32.1%
Will Warren
29.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Matthew Boyd
37.6%
Will Warren
44.0%
Barrel % Allowedlg 8.0% · lower = better
Matthew Boyd
7.7%
Will Warren
7.2%
xwOBA Allowedlg .315 · lower = better
Matthew Boyd
.330
Will Warren
.320
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
Matthew Boyd
2.117.11
lg xERA 4.10
now 6.00
4.46
Will Warren
2.117.11
lg xERA 4.10
now 3.22
4.26
WHIPlower is better
Matthew Boyd
1.131.41
now 1.29
1.32
Will Warren
1.131.41
now 1.20
1.34

Volume · rest of season
Strikeoutshigher is better
Matthew Boyd
4098
now 31
0
Will Warren
4098
now 70
0
Winshigher is better
Matthew Boyd
.0009.80
now 2
0–0
Will Warren
.0009.80
now 7
0–0

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

If you already own them — trade angle
Sell HighMatthew Boyd — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · leans sellWill Warren — hold.conf 0.60
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