MLB Daily DeltaWeek 19 · August 3, 2026
Aaron Bummer
KC · 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); Aaron Bummer wins 0 (none); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Aaron Bummer
90.5
Mason Miller
101.5
Swinging-Strike %lg 11.0% · higher = better
Aaron Bummer
10.6%
Mason Miller
23.0%
Strikeout %lg 22.0% · higher = better
Aaron Bummer
16.9%
Mason Miller
49.2%
Chase %lg 28.5% · higher = better
Aaron Bummer
27.4%
Mason Miller
37.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Aaron Bummer
54.7%
Mason Miller
27.0%
Barrel % Allowedlg 8.0% · lower = better
Aaron Bummer
15.1%
Mason Miller
4.1%
xwOBA Allowedlg .315 · lower = better
Aaron Bummer
.386
Mason Miller
.178
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
Aaron Bummer
28.25
lg xERA 4.10
now 8.82
3.70
Mason Miller
28.25
lg xERA 4.10
now 0.72
3.59
WHIPlower is better
Aaron Bummer
.9002.41
now 1.96
1.24
Mason Miller
.9002.41
now 0.84
1.23

Volume · rest of season
Strikeoutshigher is better
Aaron Bummer
4063.40
now 13
16
Mason Miller
4063.40
now 49
29
Winshigher is better
Aaron Bummer
.0001.48
now 1
01
Mason Miller
.0001.48
now 1
01
Saveshigher is better
Aaron Bummer
.00023.80
now 0
0
Mason Miller
.00023.80
now 17
814
If you already own them — trade angle
Hold · wait & seeAaron Bummer — hold.conf 0.50
Hold · wait & seeMason Miller — hold.conf 0.50
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