MLB Daily DeltaWeek 17 · July 18, 2026
Portrait of Davis Martin
Davis Martin
CWS · P
Change to
Portrait of Landen Roupp
Landen Roupp
SF · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Davis Martin wins 2 (WHIP, W); Landen Roupp wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Davis Martin
94.1
Landen Roupp
92.9
Swinging-Strike %lg 11.0% · higher = better
Davis Martin
12.5%
Landen Roupp
11.2%
Strikeout %lg 22.0% · higher = better
Davis Martin
22.1%
Landen Roupp
25.3%
Chase %lg 28.5% · higher = better
Davis Martin
33.1%
Landen Roupp
28.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Davis Martin
44.8%
Landen Roupp
28.2%
Barrel % Allowedlg 8.0% · lower = better
Davis Martin
6.6%
Landen Roupp
3.8%
xwOBA Allowedlg .315 · lower = better
Davis Martin
.323
Landen Roupp
.286
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
25.18
lg xERA 4.10
now 2.00
4.27
Landen Roupp
25.18
lg xERA 4.10
now 4.22
3.36
WHIPlower is better
Davis Martin
.9001.51
now 0.99
1.34
Landen Roupp
.9001.51
now 1.31
1.36

Volume · rest of season
Strikeoutshigher is better
Davis Martin
55.4077.60
now 71
61
Landen Roupp
55.4077.60
now 72
62
Winshigher is better
Davis Martin
.20012.80
now 8
510
Landen Roupp
.20012.80
now 5
36

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

If you already own them — trade angle
Hold · leans sellDavis Martin — hold.conf 0.60
BuyLanden Roupp — buy.conf 0.82
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