MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Paul Sewald
Paul Sewald
TOR · 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 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Paul Sewald wins 1 (WHIP); Tim Mayza 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
Paul Sewald
91.4
Tim Mayza
94.4
Swinging-Strike %lg 11.0% · higher = better
Paul Sewald
13.7%
Tim Mayza
10.1%
Strikeout %lg 22.0% · higher = better
Paul Sewald
24.7%
Tim Mayza
23.6%
Chase %lg 28.5% · higher = better
Paul Sewald
32.5%
Tim Mayza
27.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Paul Sewald
39.3%
Tim Mayza
45.2%
Barrel % Allowedlg 8.0% · lower = better
Paul Sewald
13.8%
Tim Mayza
6.4%
xwOBA Allowedlg .315 · lower = better
Paul Sewald
.315
Tim Mayza
.288
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
Paul Sewald
3.254.25
lg xERA 4.10
now 3.63
4.03
Tim Mayza
3.254.25
lg xERA 4.10
now 3.62
3.47
WHIPlower is better
Paul Sewald
.9001.45
now 0.72
1.14
Tim Mayza
.9001.45
now 0.99
1.24

Volume · rest of season
Strikeoutshigher is better
Paul Sewald
4036.40
now 24
0
Tim Mayza
4036.40
now 26
0
Winshigher is better
Paul Sewald
.0001.48
now 1
0–0
Tim Mayza
.0001.48
now 1
0–0

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

If you already own them — trade angle
Hold · steadyPaul Sewald — hold.conf 0.60
BuyTim Mayza — buy.conf 0.79
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