MLB Daily DeltaWeek 17 · July 20, 2026
JR Ritchie
ATL · P
Change to
Portrait of Zack Littell
Zack Littell
WSH · 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

JR Ritchie wins 2 (K, ERA); Zack Littell wins 2 (WHIP, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
JR Ritchie
94.5
Zack Littell
91.7
Swinging-Strike %lg 11.0% · higher = better
JR Ritchie
9.6%
Zack Littell
8.6%
Strikeout %lg 22.0% · higher = better
JR Ritchie
20.5%
Zack Littell
14.7%
Chase %lg 28.5% · higher = better
JR Ritchie
25.7%
Zack Littell
30.3%
Hard-Hit % Allowedlg 40.0% · lower = better
JR Ritchie
37.6%
Zack Littell
45.3%
Barrel % Allowedlg 8.0% · lower = better
JR Ritchie
7.1%
Zack Littell
11.3%
xwOBA Allowedlg .315 · lower = better
JR Ritchie
.328
Zack Littell
.382
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
JR Ritchie
3.896.15
lg xERA 4.10
now 4.56
4.39
Zack Littell
3.896.15
lg xERA 4.10
now 5.01
5.65
WHIPlower is better
JR Ritchie
1.271.56
now 1.44
1.49
Zack Littell
1.271.56
now 1.37
1.34

Volume · rest of season
Strikeoutshigher is better
JR Ritchie
4046.20
now 21
39
Zack Littell
4046.20
now 35
35
Winshigher is better
JR Ritchie
.0008
now 1
13
Zack Littell
.0008
now 5
36

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

If you already own them — trade angle
SellJR Ritchie — sell.conf 0.69
Sell HighZack Littell — sell high. His value is peaking; good time to trade him.conf 0.95
Tweet