MLB Daily DeltaWeek 25 · September 10, 2026
Chris Roycroft
ATH · 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

Chris Roycroft 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
Chris Roycroft
94.7
Geoff Hartlieb
95.3
Swinging-Strike %lg 11.0% · higher = better
Chris Roycroft
7.9%
Geoff Hartlieb
11.7%
Strikeout %lg 22.0% · higher = better
Chris Roycroft
14.2%
Geoff Hartlieb
13.6%
Chase %lg 28.5% · higher = better
Chris Roycroft
25.3%
Geoff Hartlieb
30.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Chris Roycroft
42.2%
Geoff Hartlieb
41.5%
Barrel % Allowedlg 8.0% · lower = better
Chris Roycroft
10.3%
Geoff Hartlieb
6.2%
xwOBA Allowedlg .315 · lower = better
Chris Roycroft
.375
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
Chris Roycroft
28.25
lg xERA 4.10
now 12.27
3.70
Geoff Hartlieb
28.25
lg xERA 4.10
now 3.00
3.70
WHIPlower is better
Chris Roycroft
.9002.55
now 3.55
1.24
Geoff Hartlieb
.9002.55
now 1.33
1.24

Volume · rest of season
Strikeoutshigher is better
Chris Roycroft
408.60
now 3
3
Geoff Hartlieb
408.60
now 1
3
Winshigher is better
Chris Roycroft
.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
Hold · wait & seeChris Roycroft — hold.conf 0.55
Buy LowGeoff Hartlieb — buy low. The dip is a window to acquire.conf 0.78
Tweet