MLB Daily DeltaWeek 27 · September 30, 2026
Portrait of Austin Warren
Austin Warren
NYM · P
Change to
Portrait of Pierce Johnson
Pierce Johnson
CIN · 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

Austin Warren wins 1 (ERA); Pierce Johnson 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
Austin Warren
93.9
Pierce Johnson
95.8
Swinging-Strike %lg 11.0% · higher = better
Austin Warren
10.9%
Pierce Johnson
11.1%
Strikeout %lg 22.0% · higher = better
Austin Warren
25.5%
Pierce Johnson
19.9%
Chase %lg 28.5% · higher = better
Austin Warren
25.9%
Pierce Johnson
33.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Austin Warren
39.6%
Pierce Johnson
37.3%
Barrel % Allowedlg 8.0% · lower = better
Austin Warren
11.2%
Pierce Johnson
10.0%
xwOBA Allowedlg .315 · lower = better
Austin Warren
.330
Pierce Johnson
.338
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
Austin Warren
25.75
lg xERA 4.10
now 1.33
4.32
Pierce Johnson
25.75
lg xERA 4.10
now 3.27
4.49
WHIPlower is better
Austin Warren
1.041.45
now 1.13
1.36
Pierce Johnson
1.041.45
now 1.23
1.35

Volume · rest of season
Strikeoutshigher is better
Austin Warren
4030.80
now 22
0
Pierce Johnson
4030.80
now 20
0
Winshigher is better
Austin Warren
.0002.80
now 1
0–0
Pierce Johnson
.0002.80
now 2
0–0

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

If you already own them — trade angle
SellAustin Warren — sell.conf 0.72
SellPierce Johnson — sell.conf 0.80
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