MLB Daily DeltaWeek 27 · September 28, 2026
Portrait of José Alvarado
José Alvarado
PHI · P
Change to
Portrait of Ryan Rolison
Ryan Rolison
CHC · P
Change to
Who's more valuable, rest of season

Ryan Rolison.

He projects to help you in more roto categories the rest of the way — ERA and WHIP.

Head-to-head
K
ERA
▶
WHIP
▶
W
SV n/a

Ryan Rolison wins 2 categories (ERA, WHIP); José Alvarado wins 0 (none); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
José Alvarado
97.2
Ryan Rolison
94.7
Swinging-Strike %lg 11.0% · higher = better
José Alvarado
12.4%
Ryan Rolison
9.0%
Strikeout %lg 22.0% · higher = better
José Alvarado
25.6%
Ryan Rolison
21.5%
Chase %lg 28.5% · higher = better
José Alvarado
31.7%
Ryan Rolison
26.5%
Hard-Hit % Allowedlg 40.0% · lower = better
José Alvarado
31.7%
Ryan Rolison
38.6%
Barrel % Allowedlg 8.0% · lower = better
José Alvarado
4.3%
Ryan Rolison
6.9%
xwOBA Allowedlg .315 · lower = better
José Alvarado
.312
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
José Alvarado
26.67
lg xERA 4.10
now 5.59
3.97
Ryan Rolison
26.67
lg xERA 4.10
now 2.89
3.91
WHIPlower is better
José Alvarado
1.221.98
now 1.81
1.40
Ryan Rolison
1.221.98
now 1.39
1.39

Volume · rest of season
Strikeoutshigher is better
José Alvarado
4036.40
now 26
0
Ryan Rolison
4036.40
now 16
0
Winshigher is better
José Alvarado
.0004.20
now 1
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
Buy LowJosé Alvarado — buy low. The dip is a window to acquire.conf 0.90
Hold · steadyRyan Rolison — hold.conf 0.60
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