MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Ethan Roberts
Ethan Roberts
CHC · 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, wins, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Mason Miller wins 5 categories (K, ERA, WHIP, W, SV); Ethan Roberts wins 0 (none).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ethan Roberts
93.6
Mason Miller
101.4
Swinging-Strike %lg 11.0% · higher = better
Ethan Roberts
9.8%
Mason Miller
23.0%
Strikeout %lg 22.0% · higher = better
Ethan Roberts
15.5%
Mason Miller
49.4%
Chase %lg 28.5% · higher = better
Ethan Roberts
25.1%
Mason Miller
38.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Ethan Roberts
44.7%
Mason Miller
26.8%
Barrel % Allowedlg 8.0% · lower = better
Ethan Roberts
3.9%
Mason Miller
2.8%
xwOBA Allowedlg .315 · lower = better
Ethan Roberts
.342
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
Ethan Roberts
24.89
lg xERA 4.10
now 1.69
3.70
Mason Miller
24.89
lg xERA 4.10
now 0.72
3.59
WHIPlower is better
Ethan Roberts
.9001.40
now 1.00
1.24
Mason Miller
.9001.40
now 0.84
1.23

Volume · rest of season
Strikeoutshigher is better
Ethan Roberts
4063.80
now 12
16
Mason Miller
4063.80
now 49
31
Winshigher is better
Ethan Roberts
.0001.48
now 0
00
Mason Miller
.0001.48
now 1
01
Saveshigher is better
Ethan Roberts
.00023.80
now 0
0
Mason Miller
.00023.80
now 17
815
If you already own them — trade angle
Sell HighEthan Roberts — sell high. His value is peaking; good time to trade him.conf 0.87
Hold · wait & seeMason Miller — hold.conf 0.50
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