MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Jakob Junis
Jakob Junis
TEX · P
Change to
Portrait of Ryan Rolison
Ryan Rolison
CHC · 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); Ryan Rolison 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
Ryan Rolison
94.7
Swinging-Strike %lg 11.0% · higher = better
Jakob Junis
8.4%
Ryan Rolison
9.0%
Strikeout %lg 22.0% · higher = better
Jakob Junis
16.2%
Ryan Rolison
21.5%
Chase %lg 28.5% · higher = better
Jakob Junis
29.1%
Ryan Rolison
26.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Jakob Junis
35.3%
Ryan Rolison
38.6%
Barrel % Allowedlg 8.0% · lower = better
Jakob Junis
3.5%
Ryan Rolison
6.9%
xwOBA Allowedlg .315 · lower = better
Jakob Junis
.323
Ryan Rolison
.309
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
Ryan Rolison
25.17
lg xERA 4.10
now 2.89
3.91
WHIPlower is better
Jakob Junis
.9001.63
now 0.78
1.35
Ryan Rolison
.9001.63
now 1.39
1.39

Volume · rest of season
Strikeoutshigher is better
Jakob Junis
4022.40
now 16
0
Ryan Rolison
4022.40
now 16
0
Winshigher is better
Jakob Junis
.0004.20
now 0
0–0
Ryan Rolison
.0004.20
now 3
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 · steadyRyan Rolison — hold.conf 0.60
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