MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Janson Junk
Janson Junk
MIA · 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

Janson Junk wins 1 (ERA); Will Warren wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Janson Junk
94.1
Will Warren
93.7
Swinging-Strike %lg 11.0% · higher = better
Janson Junk
7.4%
Will Warren
10.0%
Strikeout %lg 22.0% · higher = better
Janson Junk
16.6%
Will Warren
23.3%
Chase %lg 28.5% · higher = better
Janson Junk
28.4%
Will Warren
29.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Janson Junk
38.5%
Will Warren
44.0%
Barrel % Allowedlg 8.0% · lower = better
Janson Junk
7.0%
Will Warren
7.2%
xwOBA Allowedlg .315 · lower = better
Janson Junk
.317
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
Janson Junk
2.595.43
lg xERA 4.10
now 4.80
4.20
Will Warren
2.595.43
lg xERA 4.10
now 3.22
4.26
WHIPlower is better
Janson Junk
1.131.42
now 1.30
1.35
Will Warren
1.131.42
now 1.20
1.34

Volume · rest of season
Strikeoutshigher is better
Janson Junk
4098
now 43
0
Will Warren
4098
now 70
0
Winshigher is better
Janson Junk
.0009.80
now 3
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
Hold · leans sellJanson Junk — hold.conf 0.60
Hold · leans sellWill Warren — hold.conf 0.60
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