MLB Daily DeltaWeek 25 · September 10, 2026
Cam Booser
TB · P
Change to
Geoff Hartlieb
ATH · 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

Cam Booser wins 0 (none); Geoff Hartlieb 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
Cam Booser
95.7
Geoff Hartlieb
95.3
Swinging-Strike %lg 11.0% · higher = better
Cam Booser
15.2%
Geoff Hartlieb
11.7%
Strikeout %lg 22.0% · higher = better
Cam Booser
29.5%
Geoff Hartlieb
13.6%
Chase %lg 28.5% · higher = better
Cam Booser
33.9%
Geoff Hartlieb
30.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Cam Booser
41.4%
Geoff Hartlieb
41.5%
Barrel % Allowedlg 8.0% · lower = better
Cam Booser
6.9%
Geoff Hartlieb
6.2%
xwOBA Allowedlg .315 · lower = better
Cam Booser
.267
Geoff Hartlieb
.308
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
Cam Booser
25.18
lg xERA 4.10
now 0.00
3.70
Geoff Hartlieb
25.18
lg xERA 4.10
now 3.00
3.70
WHIPlower is better
Cam Booser
.9001.66
now 0.50
1.24
Geoff Hartlieb
.9001.66
now 1.33
1.24

Volume · rest of season
Strikeoutshigher is better
Cam Booser
408.60
now 1
3
Geoff Hartlieb
408.60
now 1
3
Winshigher is better
Cam Booser
.000.480
now 0
00
Geoff Hartlieb
.000.480
now 0
00

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

If you already own them — trade angle
Sell HighCam Booser — sell high. His value is peaking; good time to trade him.conf 0.79
Buy LowGeoff Hartlieb — buy low. The dip is a window to acquire.conf 0.78
Tweet