MLB Daily DeltaWeek 15 · July 4, 2026
Portrait of George Kirby
George Kirby
SEA · P
Change to
Matthew Boyd
CHC · P
Change to
Who's more valuable, rest of season

Matthew Boyd.

He projects to help you in more roto categories the rest of the way — strikeouts and WHIP. George Kirby’s box score looks better right now, but the luck-stripped projection flips it.

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

Matthew Boyd wins 2 categories (K, WHIP); George Kirby wins 1 (ERA); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
George Kirby
96.7
Matthew Boyd
92.6
Swinging-Strike %lg 11.0% · higher = better
George Kirby
11.2%
Matthew Boyd
15.1%
Strikeout %lg 22.0% · higher = better
George Kirby
21.1%
Matthew Boyd
25.5%
Chase %lg 28.5% · higher = better
George Kirby
34.8%
Matthew Boyd
34.5%
Hard-Hit % Allowedlg 40.0% · lower = better
George Kirby
41.6%
Matthew Boyd
51.5%
Barrel % Allowedlg 8.0% · lower = better
George Kirby
6.7%
Matthew Boyd
10.3%
xwOBA Allowedlg .315 · lower = better
George Kirby
.300
Matthew Boyd
.335
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
George Kirby
2.796.92
lg xERA 4.10
now 3.77
3.71
Matthew Boyd
2.796.92
lg xERA 4.10
now 6.00
4.12
WHIPlower is better
George Kirby
1.151.39
now 1.22
1.32
Matthew Boyd
1.151.39
now 1.29
1.30

Volume · rest of season
Strikeoutshigher is better
George Kirby
4084.20
now 59
62
Matthew Boyd
4084.20
now 31
69
Winshigher is better
George Kirby
.0009
now 5
37
Matthew Boyd
.0009
now 2
37

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

If you already own them — trade angle
BuyGeorge Kirby — buy.conf 0.72
Hold · wait & seeMatthew Boyd — hold.conf 0.55
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