MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Greg Weissert
Greg Weissert
BOS · 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); Greg Weissert wins 0 (none).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Greg Weissert
93.9
Mason Miller
101.4
Swinging-Strike %lg 11.0% · higher = better
Greg Weissert
11.1%
Mason Miller
23.0%
Strikeout %lg 22.0% · higher = better
Greg Weissert
22.5%
Mason Miller
49.4%
Chase %lg 28.5% · higher = better
Greg Weissert
34.4%
Mason Miller
38.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Greg Weissert
32.5%
Mason Miller
26.8%
Barrel % Allowedlg 8.0% · lower = better
Greg Weissert
4.9%
Mason Miller
2.8%
xwOBA Allowedlg .315 · lower = better
Greg Weissert
.289
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
Greg Weissert
25.65
lg xERA 4.10
now 4.24
3.69
Mason Miller
25.65
lg xERA 4.10
now 0.72
3.59
WHIPlower is better
Greg Weissert
.9001.64
now 1.41
1.24
Mason Miller
.9001.64
now 0.84
1.23

Volume · rest of season
Strikeoutshigher is better
Greg Weissert
4062.20
now 22
16
Mason Miller
4062.20
now 49
31
Winshigher is better
Greg Weissert
.0001.48
now 0
00
Mason Miller
.0001.48
now 1
01
Saveshigher is better
Greg Weissert
.00023.80
now 0
0
Mason Miller
.00023.80
now 17
815
If you already own them — trade angle
Hold · wait & seeGreg Weissert — hold.conf 0.50
Hold · wait & seeMason Miller — hold.conf 0.50
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