MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Adam Macko
Adam Macko
TEX · 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

Adam Macko 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
Adam Macko
94.5
Geoff Hartlieb
95.3
Swinging-Strike %lg 11.0% · higher = better
Adam Macko
13.6%
Geoff Hartlieb
11.7%
Strikeout %lg 22.0% · higher = better
Adam Macko
22.9%
Geoff Hartlieb
13.6%
Chase %lg 28.5% · higher = better
Adam Macko
31.3%
Geoff Hartlieb
30.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Adam Macko
35.3%
Geoff Hartlieb
41.5%
Barrel % Allowedlg 8.0% · lower = better
Adam Macko
5.9%
Geoff Hartlieb
6.2%
xwOBA Allowedlg .315 · lower = better
Adam Macko
.326
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
Adam Macko
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
Adam Macko
.9001.46
now 1.00
1.24
Geoff Hartlieb
.9001.46
now 1.33
1.24

Volume · rest of season
Strikeoutshigher is better
Adam Macko
4011.60
now 6
3
Geoff Hartlieb
4011.60
now 1
3
Winshigher is better
Adam Macko
.0001.48
now 1
01
Geoff Hartlieb
.0001.48
now 0
00

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

If you already own them — trade angle
Hold · wait & seeAdam Macko — hold.conf 0.55
Buy LowGeoff Hartlieb — buy low. The dip is a window to acquire.conf 0.78
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