MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Freddy Peralta
Freddy Peralta
TB · P
Change to
George Klassen
LAA · 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

Freddy Peralta wins 1 (ERA); George Klassen wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Freddy Peralta
94.3
George Klassen
96.4
Swinging-Strike %lg 11.0% · higher = better
Freddy Peralta
12.5%
George Klassen
14.3%
Strikeout %lg 22.0% · higher = better
Freddy Peralta
21.4%
George Klassen
19.2%
Chase %lg 28.5% · higher = better
Freddy Peralta
31.3%
George Klassen
25.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Freddy Peralta
37.2%
George Klassen
45.6%
Barrel % Allowedlg 8.0% · lower = better
Freddy Peralta
5.8%
George Klassen
8.9%
xwOBA Allowedlg .315 · lower = better
Freddy Peralta
.302
George Klassen
.358
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
Freddy Peralta
2.068.25
lg xERA 4.10
now 3.55
3.84
George Klassen
2.068.25
lg xERA 4.10
now 7.27
4.10
WHIPlower is better
Freddy Peralta
.9002.55
now 1.30
1.34
George Klassen
.9002.55
now 2.88
1.30

Volume · rest of season
Strikeoutshigher is better
Freddy Peralta
4095.20
now 68
0
George Klassen
4095.20
now 9
0
Winshigher is better
Freddy Peralta
.0004.20
now 3
0–0
George Klassen
.0004.20
now 0
0–0

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

If you already own them — trade angle
Hold · leans buyFreddy Peralta — hold.conf 0.60
Sell HighGeorge Klassen — sell high. His value is peaking; good time to trade him.conf 0.95
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