MLB Daily DeltaWeek 28 · October 3, 2026
Cesar Perdomo
SF · P
Change to
Portrait of Jason Adam
Jason Adam
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

Cesar Perdomo wins 0 (none); Jason Adam 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
Cesar Perdomo
93.0
Jason Adam
93.5
Swinging-Strike %lg 11.0% · higher = better
Cesar Perdomo
9.9%
Jason Adam
14.9%
Strikeout %lg 22.0% · higher = better
Cesar Perdomo
13.5%
Jason Adam
15.5%
Chase %lg 28.5% · higher = better
Cesar Perdomo
27.9%
Jason Adam
34.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Cesar Perdomo
42.2%
Jason Adam
37.4%
Barrel % Allowedlg 8.0% · lower = better
Cesar Perdomo
7.2%
Jason Adam
7.5%
xwOBA Allowedlg .315 · lower = better
Cesar Perdomo
.324
Jason Adam
.300
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
Cesar Perdomo
24.82
lg xERA 4.10
now 2.25
3.70
Jason Adam
24.82
lg xERA 4.10
now 0.90
3.70
WHIPlower is better
Cesar Perdomo
.9001.34
now 1.00
1.24
Jason Adam
.9001.34
now 1.00
1.24

Volume · rest of season
Strikeoutshigher is better
Cesar Perdomo
4016.60
now 4
0
Jason Adam
4016.60
now 11
0
Winshigher is better
Cesar Perdomo
.0002.80
now 0
0–0
Jason Adam
.0002.80
now 2
0–0

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

If you already own them — trade angle
Hold · wait & seeCesar Perdomo — hold.conf 0.50
Sell HighJason Adam — sell high. His value is peaking; good time to trade him.conf 0.95
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