MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Jakob Junis
Jakob Junis
TEX · P
Change to
Portrait of Wandy Peralta
Wandy Peralta
SD · 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

Jakob Junis wins 1 (WHIP); Wandy Peralta 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
Jakob Junis
92.3
Wandy Peralta
96.4
Swinging-Strike %lg 11.0% · higher = better
Jakob Junis
8.4%
Wandy Peralta
11.4%
Strikeout %lg 22.0% · higher = better
Jakob Junis
16.2%
Wandy Peralta
15.6%
Chase %lg 28.5% · higher = better
Jakob Junis
29.1%
Wandy Peralta
33.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Jakob Junis
35.3%
Wandy Peralta
35.9%
Barrel % Allowedlg 8.0% · lower = better
Jakob Junis
3.5%
Wandy Peralta
4.5%
xwOBA Allowedlg .315 · lower = better
Jakob Junis
.323
Wandy Peralta
.319
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
Jakob Junis
25.17
lg xERA 4.10
now 1.75
4.19
Wandy Peralta
25.17
lg xERA 4.10
now 2.73
4.10
WHIPlower is better
Jakob Junis
.9001.70
now 0.78
1.35
Wandy Peralta
.9001.70
now 1.44
1.37

Volume · rest of season
Strikeoutshigher is better
Jakob Junis
4026.60
now 16
0
Wandy Peralta
4026.60
now 19
0
Winshigher is better
Jakob Junis
.000.480
now 0
0–0
Wandy Peralta
.000.480
now 0
0–0

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

If you already own them — trade angle
SellJakob Junis — sell.conf 0.66
Hold · leans sellWandy Peralta — hold.conf 0.60
Tweet