MLB Daily DeltaWeek 27 · September 27, 2026
Matt Waldron
WSH · P
Change to
Nick Pivetta
SD · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

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

Matt Waldron wins 0 (none); Nick Pivetta wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Matt Waldron
92.0
Nick Pivetta
94.0
Swinging-Strike %lg 11.0% · higher = better
Matt Waldron
8.8%
Nick Pivetta
10.9%
Strikeout %lg 22.0% · higher = better
Matt Waldron
17.0%
Nick Pivetta
30.0%
Chase %lg 28.5% · higher = better
Matt Waldron
31.5%
Nick Pivetta
35.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Matt Waldron
36.5%
Nick Pivetta
38.2%
Barrel % Allowedlg 8.0% · lower = better
Matt Waldron
5.4%
Nick Pivetta
10.1%
xwOBA Allowedlg .315 · lower = better
Matt Waldron
.291
Nick Pivetta
.277
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
Matt Waldron
2.328.25
lg xERA 4.10
now 8.49
4.08
Nick Pivetta
2.328.25
lg xERA 4.10
now 4.50
4.10
WHIPlower is better
Matt Waldron
.9001.94
now 1.71
1.30
Nick Pivetta
.9001.94
now 1.13
1.30

Volume · rest of season
Strikeoutshigher is better
Matt Waldron
4033.60
now 22
0
Nick Pivetta
4033.60
now 24
0
Winshigher is better
Matt Waldron
.0001.48
now 1
0–0
Nick Pivetta
.0001.48
now 1
0–0

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

If you already own them — trade angle
Buy LowMatt Waldron — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeNick Pivetta — hold.conf 0.50
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