MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Andrés Muñoz
Andrés Muñoz
SEA · P
Change to
Edwin Díaz
LAD · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Andrés Muñoz wins 2 (ERA, WHIP); Edwin Díaz wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Andrés Muñoz
99.7
Edwin Díaz
96.3
Swinging-Strike %lg 11.0% · higher = better
Andrés Muñoz
19.5%
Edwin Díaz
9.9%
Strikeout %lg 22.0% · higher = better
Andrés Muñoz
38.2%
Edwin Díaz
24.1%
Chase %lg 28.5% · higher = better
Andrés Muñoz
37.8%
Edwin Díaz
31.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Andrés Muñoz
42.5%
Edwin Díaz
53.2%
Barrel % Allowedlg 8.0% · lower = better
Andrés Muñoz
8.8%
Edwin Díaz
8.5%
xwOBA Allowedlg .315 · lower = better
Andrés Muñoz
.277
Edwin Díaz
.378
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
Andrés Muñoz
28.25
lg xERA 4.10
now 4.76
3.17
Edwin Díaz
28.25
lg xERA 4.10
now 10.50
3.70
WHIPlower is better
Andrés Muñoz
.9002.55
now 1.28
1.12
Edwin Díaz
.9002.55
now 2.33
1.24

Volume · rest of season
Strikeoutshigher is better
Andrés Muñoz
4046.20
now 35
7
Edwin Díaz
4046.20
now 10
9
Winshigher is better
Andrés Muñoz
.0004.20
now 3
01
Edwin Díaz
.0004.20
now 1
01
Saveshigher is better
Andrés Muñoz
.00012.20
now 9
12
Edwin Díaz
.00012.20
now 4
23
If you already own them — trade angle
BuyAndrés Muñoz — buy.conf 0.88
Hold · wait & seeEdwin Díaz — hold.conf 0.55
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