MLB Daily DeltaWeek 20 · August 7, 2026
Portrait of José Alvarado
José Alvarado
PHI · P
Change to
Portrait of Tim Mayza
Tim Mayza
PHI · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

José Alvarado wins 2 (K, SV); Tim Mayza wins 2 (ERA, WHIP); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
José Alvarado
97.1
Tim Mayza
94.7
Swinging-Strike %lg 11.0% · higher = better
José Alvarado
13.9%
Tim Mayza
10.7%
Strikeout %lg 22.0% · higher = better
José Alvarado
27.7%
Tim Mayza
24.5%
Chase %lg 28.5% · higher = better
José Alvarado
33.2%
Tim Mayza
27.6%
Hard-Hit % Allowedlg 40.0% · lower = better
José Alvarado
27.6%
Tim Mayza
44.8%
Barrel % Allowedlg 8.0% · lower = better
José Alvarado
5.2%
Tim Mayza
7.0%
xwOBA Allowedlg .315 · lower = better
José Alvarado
.299
Tim Mayza
.284
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
2.436.49
lg xERA 4.10
now 5.59
3.70
Tim Mayza
2.436.49
lg xERA 4.10
now 3.62
3.33
WHIPlower is better
José Alvarado
.9002.14
now 1.81
1.24
Tim Mayza
.9002.14
now 0.99
1.22

Volume · rest of season
Strikeoutshigher is better
José Alvarado
4031.60
now 26
19
Tim Mayza
4031.60
now 26
15
Winshigher is better
José Alvarado
.0001.48
now 1
01
Tim Mayza
.0001.48
now 1
01
Saveshigher is better
José Alvarado
.0002.40
now 1
01
Tim Mayza
.0002.40
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
BuyTim Mayza — buy.conf 0.83
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