MLB Daily DeltaWeek 17 · July 19, 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

José Alvarado.

He projects to help you in more roto categories the rest of the way — strikeouts and saves. Ryan Rolison’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
WHIP
W
SV

José Alvarado wins 2 categories (K, SV); Ryan Rolison wins 1 (W); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
José Alvarado
97.6
Ryan Rolison
94.6
Swinging-Strike %lg 11.0% · higher = better
José Alvarado
14.5%
Ryan Rolison
9.8%
Strikeout %lg 22.0% · higher = better
José Alvarado
29.2%
Ryan Rolison
25.3%
Chase %lg 28.5% · higher = better
José Alvarado
34.9%
Ryan Rolison
25.3%
Hard-Hit % Allowedlg 40.0% · lower = better
José Alvarado
27.7%
Ryan Rolison
44.4%
Barrel % Allowedlg 8.0% · lower = better
José Alvarado
4.3%
Ryan Rolison
6.5%
xwOBA Allowedlg .315 · lower = better
José Alvarado
.300
Ryan Rolison
.312
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
3.70
Ryan Rolison
26.67
lg xERA 4.10
now 2.89
3.70
WHIPlower is better
José Alvarado
1.012.04
now 1.81
1.24
Ryan Rolison
1.012.04
now 1.39
1.24

Volume · rest of season
Strikeoutshigher is better
José Alvarado
4031.60
now 26
26
Ryan Rolison
4031.60
now 16
14
Winshigher is better
José Alvarado
.0006.60
now 1
11
Ryan Rolison
.0006.60
now 3
25
Saveshigher is better
José Alvarado
.0003.40
now 1
02
Ryan Rolison
.0003.40
now 0
0
If you already own them — trade angle
Buy LowJosé Alvarado — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeRyan Rolison — hold.conf 0.50
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