MLB Daily DeltaWeek 25 · September 11, 2026
Josh Walker
BAL · 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

Josh Walker 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
Josh Walker
92.9
Tyron Guerrero
100.2
Swinging-Strike %lg 11.0% · higher = better
Josh Walker
11.4%
Tyron Guerrero
13.3%
Strikeout %lg 22.0% · higher = better
Josh Walker
23.2%
Tyron Guerrero
22.6%
Chase %lg 28.5% · higher = better
Josh Walker
32.5%
Tyron Guerrero
35.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Josh Walker
37.3%
Tyron Guerrero
33.3%
Barrel % Allowedlg 8.0% · lower = better
Josh Walker
4.5%
Tyron Guerrero
3.5%
xwOBA Allowedlg .315 · lower = better
Josh Walker
.253
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
Josh Walker
2.487.97
lg xERA 4.10
now 3.86
3.70
Tyron Guerrero
2.487.97
lg xERA 4.10
now 6.75
3.70
WHIPlower is better
Josh Walker
.9001.67
now 1.07
1.24
Tyron Guerrero
.9001.67
now 1.50
1.24

Volume · rest of season
Strikeoutshigher is better
Josh Walker
4014.60
now 6
6
Tyron Guerrero
4014.60
now 9
6
Winshigher is better
Josh Walker
.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 & seeJosh Walker — hold.conf 0.50
Buy LowTyron Guerrero — buy low. The dip is a window to acquire.conf 0.74
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