MLB Daily DeltaWeek 19 · August 5, 2026
Portrait of Mark Leiter Jr.
Mark Leiter Jr.
ATH · P
Change to
Portrait of Mason Montgomery
Mason Montgomery
PIT · P
Change to
Who's more valuable, rest of season

Mason Montgomery.

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

Head-to-head
K
ERA
WHIP
W
SV

Mason Montgomery wins 3 categories (K, ERA, W); Mark Leiter Jr. wins 1 (SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Mark Leiter Jr.
92.2
Mason Montgomery
98.3
Swinging-Strike %lg 11.0% · higher = better
Mark Leiter Jr.
14.0%
Mason Montgomery
15.4%
Strikeout %lg 22.0% · higher = better
Mark Leiter Jr.
26.4%
Mason Montgomery
37.1%
Chase %lg 28.5% · higher = better
Mark Leiter Jr.
33.8%
Mason Montgomery
31.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Mark Leiter Jr.
31.9%
Mason Montgomery
41.6%
Barrel % Allowedlg 8.0% · lower = better
Mark Leiter Jr.
3.3%
Mason Montgomery
8.9%
xwOBA Allowedlg .315 · lower = better
Mark Leiter Jr.
.316
Mason Montgomery
.262
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
Mark Leiter Jr.
2.966.19
lg xERA 4.10
now 5.47
3.72
Mason Montgomery
2.966.19
lg xERA 4.10
now 3.91
3.68
WHIPlower is better
Mark Leiter Jr.
1.151.55
now 1.46
1.24
Mason Montgomery
1.151.55
now 1.26
1.24

Volume · rest of season
Strikeoutshigher is better
Mark Leiter Jr.
4036
now 25
15
Mason Montgomery
4036
now 30
18
Winshigher is better
Mark Leiter Jr.
.0001.48
now 0
00
Mason Montgomery
.0001.48
now 1
01
Saveshigher is better
Mark Leiter Jr.
.0005.60
now 4
23
Mason Montgomery
.0005.60
now 0
0
If you already own them — trade angle
Hold · wait & seeMark Leiter Jr. — hold.conf 0.50
Hold · wait & seeMason Montgomery — hold.conf 0.50
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