MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Seth Halvorsen
Seth Halvorsen
LAD · P
Change to
Portrait of Tyron Guerrero
Tyron Guerrero
BOS · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 00, 4 even. Take whoever fills a bigger need.

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

Seth Halvorsen wins 0 (none); Tyron Guerrero wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Seth Halvorsen
98.9
Tyron Guerrero
100.2
Swinging-Strike %lg 11.0% · higher = better
Seth Halvorsen
10.2%
Tyron Guerrero
13.3%
Strikeout %lg 22.0% · higher = better
Seth Halvorsen
15.3%
Tyron Guerrero
22.6%
Chase %lg 28.5% · higher = better
Seth Halvorsen
27.0%
Tyron Guerrero
35.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Seth Halvorsen
37.9%
Tyron Guerrero
33.3%
Barrel % Allowedlg 8.0% · lower = better
Seth Halvorsen
6.9%
Tyron Guerrero
3.5%
xwOBA Allowedlg .315 · lower = better
Seth Halvorsen
.381
Tyron Guerrero
.260
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
Seth Halvorsen
28.25
lg xERA 4.10
now 2.92
3.70
Tyron Guerrero
28.25
lg xERA 4.10
now 6.75
3.70
WHIPlower is better
Seth Halvorsen
1.121.66
now 1.54
1.24
Tyron Guerrero
1.121.66
now 1.50
1.24

Volume · rest of season
Strikeoutshigher is better
Seth Halvorsen
4018.60
now 13
6
Tyron Guerrero
4018.60
now 9
6
Winshigher is better
Seth Halvorsen
.000.480
now 0
00
Tyron Guerrero
.000.480
now 0
00

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

If you already own them — trade angle
Hold · wait & seeSeth Halvorsen — hold.conf 0.50
Buy LowTyron Guerrero — buy low. The dip is a window to acquire.conf 0.74
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