MLB Daily DeltaWeek 19 · August 1, 2026
Portrait of Keider Montero
Keider Montero
DET · P
Change to
Matthew Boyd
CHC · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Keider Montero wins 2 (ERA, WHIP); Matthew Boyd wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Keider Montero
94.3
Matthew Boyd
92.7
Swinging-Strike %lg 11.0% · higher = better
Keider Montero
9.1%
Matthew Boyd
12.3%
Strikeout %lg 22.0% · higher = better
Keider Montero
17.8%
Matthew Boyd
21.9%
Chase %lg 28.5% · higher = better
Keider Montero
27.5%
Matthew Boyd
32.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Keider Montero
37.7%
Matthew Boyd
39.5%
Barrel % Allowedlg 8.0% · lower = better
Keider Montero
7.1%
Matthew Boyd
9.5%
xwOBA Allowedlg .315 · lower = better
Keider Montero
.290
Matthew Boyd
.320
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
Keider Montero
2.477.01
lg xERA 4.10
now 3.69
3.48
Matthew Boyd
2.477.01
lg xERA 4.10
now 6.00
4.24
WHIPlower is better
Keider Montero
.9001.41
now 1.00
1.19
Matthew Boyd
.9001.41
now 1.29
1.29

Volume · rest of season
Strikeoutshigher is better
Keider Montero
4056.20
now 43
32
Matthew Boyd
4056.20
now 31
49
Winshigher is better
Keider Montero
.0005.20
now 2
12
Matthew Boyd
.0005.20
now 2
24

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
BuyKeider Montero — buy.conf 0.79
Hold · leans sellMatthew Boyd — hold.conf 0.60
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