MLB Daily DeltaWeek 14 · June 28, 2026
Portrait of Kirby Yates
Kirby Yates
LAA · 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 and wins.

Head-to-head
K
ERA
WHIP
W
SV

Mason Montgomery wins 2 categories (K, W); Kirby Yates wins 1 (SV); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Kirby Yates
90.5
Mason Montgomery
98.2
Swinging-Strike %lg 11.0% · higher = better
Kirby Yates
17.5%
Mason Montgomery
15.5%
Strikeout %lg 22.0% · higher = better
Kirby Yates
34.3%
Mason Montgomery
31.7%
Chase %lg 28.5% · higher = better
Kirby Yates
35.9%
Mason Montgomery
31.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Kirby Yates
54.1%
Mason Montgomery
41.3%
Barrel % Allowedlg 8.0% · lower = better
Kirby Yates
10.8%
Mason Montgomery
10.0%
xwOBA Allowedlg .315 · lower = better
Kirby Yates
.290
Mason Montgomery
.299
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
Kirby Yates
3.454.57
lg xERA 4.10
now 4.32
3.70
Mason Montgomery
3.454.57
lg xERA 4.10
now 3.91
3.70
WHIPlower is better
Kirby Yates
1.131.33
now 1.20
1.24
Mason Montgomery
1.131.33
now 1.26
1.24

Volume · rest of season
Strikeoutshigher is better
Kirby Yates
4049.20
now 10
27
Mason Montgomery
4049.20
now 30
38
Winshigher is better
Kirby Yates
.0002.80
now 0
00
Mason Montgomery
.0002.80
now 1
12
Saveshigher is better
Kirby Yates
.0007
now 1
15
Mason Montgomery
.0007
now 0
0
If you already own them — trade angle
Hold · wait & seeKirby Yates — hold.conf 0.50
Buy LowMason Montgomery — buy low. The dip is a window to acquire.conf 0.90
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