MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Davis Martin
Davis Martin
CWS · P
Change to
Portrait of Ryne Nelson
Ryne Nelson
AZ · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
◀
ERA
WHIP
▶
W
SV n/a

Davis Martin wins 1 (ERA); Ryne Nelson wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Davis Martin
93.9
Ryne Nelson
96.4
Swinging-Strike %lg 11.0% · higher = better
Davis Martin
11.3%
Ryne Nelson
11.4%
Strikeout %lg 22.0% · higher = better
Davis Martin
19.8%
Ryne Nelson
17.4%
Chase %lg 28.5% · higher = better
Davis Martin
31.8%
Ryne Nelson
33.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Davis Martin
44.7%
Ryne Nelson
43.8%
Barrel % Allowedlg 8.0% · lower = better
Davis Martin
6.5%
Ryne Nelson
10.2%
xwOBA Allowedlg .315 · lower = better
Davis Martin
.330
Ryne Nelson
.351
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
Davis Martin
26.09
lg xERA 4.10
now 2.00
4.46
Ryne Nelson
26.09
lg xERA 4.10
now 4.82
4.92
WHIPlower is better
Davis Martin
.9001.51
now 0.99
1.36
Ryne Nelson
.9001.51
now 1.19
1.29

Volume · rest of season
Strikeoutshigher is better
Davis Martin
4099.40
now 71
0
Ryne Nelson
4099.40
now 52
0
Winshigher is better
Davis Martin
.00011.20
now 8
0–0
Ryne Nelson
.00011.20
now 2
0–0

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

If you already own them — trade angle
SellDavis Martin — sell.conf 0.72
Sell HighRyne Nelson — sell high. His value is peaking; good time to trade him.conf 0.88
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