MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Didier Fuentes
Didier Fuentes
ATL · P
Change to
Portrait of Mason Miller
Mason Miller
SD · P
Change to
Who's more valuable, rest of season

Mason Miller.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, WHIP, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Mason Miller wins 4 categories (K, ERA, WHIP, SV); Didier Fuentes wins 1 (W).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Didier Fuentes
97.2
Mason Miller
101.4
Swinging-Strike %lg 11.0% · higher = better
Didier Fuentes
14.5%
Mason Miller
23.0%
Strikeout %lg 22.0% · higher = better
Didier Fuentes
29.3%
Mason Miller
49.4%
Chase %lg 28.5% · higher = better
Didier Fuentes
31.0%
Mason Miller
38.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Didier Fuentes
35.3%
Mason Miller
26.8%
Barrel % Allowedlg 8.0% · lower = better
Didier Fuentes
5.2%
Mason Miller
2.8%
xwOBA Allowedlg .315 · lower = better
Didier Fuentes
.278
Mason Miller
.176
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
Didier Fuentes
24.88
lg xERA 4.10
now 2.78
3.69
Mason Miller
24.88
lg xERA 4.10
now 0.72
3.59
WHIPlower is better
Didier Fuentes
.9001.40
now 1.10
1.24
Mason Miller
.9001.40
now 0.84
1.23

Volume · rest of season
Strikeoutshigher is better
Didier Fuentes
4060.20
now 27
21
Mason Miller
4060.20
now 49
31
Winshigher is better
Didier Fuentes
.0007
now 4
25
Mason Miller
.0007
now 1
01
Saveshigher is better
Didier Fuentes
.00023.80
now 0
0
Mason Miller
.00023.80
now 17
815
If you already own them — trade angle
Hold · wait & seeDidier Fuentes — hold.conf 0.50
Hold · wait & seeMason Miller — hold.conf 0.50
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