MLB Daily DeltaWeek 27 · September 27, 2026
Chris Roycroft
ATH · P
Change to
Portrait of Shawn Armstrong
Shawn Armstrong
CLE · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Chris Roycroft wins 0 (none); Shawn Armstrong 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
95.0
Shawn Armstrong
93.5
Swinging-Strike %lg 11.0% · higher = better
Chris Roycroft
8.2%
Shawn Armstrong
11.5%
Strikeout %lg 22.0% · higher = better
Chris Roycroft
15.1%
Shawn Armstrong
21.9%
Chase %lg 28.5% · higher = better
Chris Roycroft
25.4%
Shawn Armstrong
24.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Chris Roycroft
43.2%
Shawn Armstrong
34.0%
Barrel % Allowedlg 8.0% · lower = better
Chris Roycroft
9.8%
Shawn Armstrong
6.2%
xwOBA Allowedlg .315 · lower = better
Chris Roycroft
.370
Shawn Armstrong
.306
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
Shawn Armstrong
28.25
lg xERA 4.10
now 3.60
3.70
WHIPlower is better
Chris Roycroft
.9002.55
now 3.55
1.24
Shawn Armstrong
.9002.55
now 1.33
1.24

Volume · rest of season
Strikeoutshigher is better
Chris Roycroft
4026.60
now 3
0
Shawn Armstrong
4026.60
now 19
0
Winshigher is better
Chris Roycroft
.0001.48
now 0
0–0
Shawn Armstrong
.0001.48
now 1
0–0

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

If you already own them — trade angle
Hold · wait & seeChris Roycroft — hold.conf 0.50
Hold · wait & seeShawn Armstrong — hold.conf 0.50
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