MLB Daily DeltaWeek 18 · July 29, 2026
Portrait of Landen Roupp
Landen Roupp
SF · P
Change to
Portrait of Sonny Gray
Sonny Gray
BOS · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Landen Roupp
93.0
Sonny Gray
91.7
Swinging-Strike %lg 11.0% · higher = better
Landen Roupp
11.0%
Sonny Gray
10.6%
Strikeout %lg 22.0% · higher = better
Landen Roupp
24.7%
Sonny Gray
21.6%
Chase %lg 28.5% · higher = better
Landen Roupp
30.0%
Sonny Gray
32.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Landen Roupp
30.1%
Sonny Gray
37.5%
Barrel % Allowedlg 8.0% · lower = better
Landen Roupp
4.1%
Sonny Gray
7.2%
xwOBA Allowedlg .315 · lower = better
Landen Roupp
.285
Sonny Gray
.302
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
Landen Roupp
2.604.68
lg xERA 4.10
now 4.22
3.38
Sonny Gray
2.604.68
lg xERA 4.10
now 3.06
3.82
WHIPlower is better
Landen Roupp
1.131.41
now 1.31
1.34
Sonny Gray
1.131.41
now 1.20
1.27

Volume · rest of season
Strikeoutshigher is better
Landen Roupp
4085.60
now 72
53
Sonny Gray
4085.60
now 41
38
Winshigher is better
Landen Roupp
.00010.40
now 5
25
Sonny Gray
.00010.40
now 6
38

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

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