MLB Daily DeltaWeek 17 · July 18, 2026
Cionel Pérez
NYM · P
Change to
Portrait of Tim Mayza
Tim Mayza
PHI · P
Change to
Who's more valuable, rest of season

Tim Mayza.

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

Head-to-head
K
ERA
WHIP
W
SV n/a

Tim Mayza wins 2 categories (K, ERA); Cionel Pérez wins 1 (W); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cionel Pérez
96.7
Tim Mayza
94.9
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
10.6%
Tim Mayza
10.8%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
20.1%
Tim Mayza
24.9%
Chase %lg 28.5% · higher = better
Cionel Pérez
30.3%
Tim Mayza
28.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
51.4%
Tim Mayza
44.5%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
13.5%
Tim Mayza
7.6%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.366
Tim Mayza
.285
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
Cionel Pérez
2.746.70
lg xERA 4.10
now 5.82
3.70
Tim Mayza
2.746.70
lg xERA 4.10
now 3.62
3.68
WHIPlower is better
Cionel Pérez
.9001.83
now 1.59
1.24
Tim Mayza
.9001.83
now 0.99
1.24

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4032.40
now 10
12
Tim Mayza
4032.40
now 26
21
Winshigher is better
Cionel Pérez
.0005.60
now 2
14
Tim Mayza
.0005.60
now 1
01

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

If you already own them — trade angle
Hold · wait & seeCionel Pérez — hold.conf 0.50
Hold · wait & seeTim Mayza — hold.conf 0.50
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