MLB Daily DeltaWeek 25 · September 11, 2026
Geoff Hartlieb
ATH · P
Change to
Portrait of Jason Adam
Jason Adam
SD · 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

Geoff Hartlieb wins 0 (none); Jason Adam 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
Geoff Hartlieb
95.3
Jason Adam
93.4
Swinging-Strike %lg 11.0% · higher = better
Geoff Hartlieb
11.7%
Jason Adam
15.3%
Strikeout %lg 22.0% · higher = better
Geoff Hartlieb
13.6%
Jason Adam
16.4%
Chase %lg 28.5% · higher = better
Geoff Hartlieb
30.5%
Jason Adam
35.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Geoff Hartlieb
41.5%
Jason Adam
36.3%
Barrel % Allowedlg 8.0% · lower = better
Geoff Hartlieb
6.2%
Jason Adam
6.9%
xwOBA Allowedlg .315 · lower = better
Geoff Hartlieb
.308
Jason Adam
.288
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
Geoff Hartlieb
24.82
lg xERA 4.10
now 3.00
3.70
Jason Adam
24.82
lg xERA 4.10
now 0.90
3.70
WHIPlower is better
Geoff Hartlieb
.9001.46
now 1.33
1.24
Jason Adam
.9001.46
now 1.00
1.24

Volume · rest of season
Strikeoutshigher is better
Geoff Hartlieb
4016.60
now 1
3
Jason Adam
4016.60
now 11
3
Winshigher is better
Geoff Hartlieb
.0002.80
now 0
00
Jason Adam
.0002.80
now 2
01

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

If you already own them — trade angle
Buy LowGeoff Hartlieb — buy low. The dip is a window to acquire.conf 0.78
Sell HighJason Adam — sell high. His value is peaking; good time to trade him.conf 0.93
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