MLB Daily DeltaWeek 20 · August 7, 2026
Portrait of Reynaldo López
Reynaldo López
ATL · P
Change to
Tristan Beck
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

Reynaldo López wins 2 (K, W); Tristan Beck wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Reynaldo López
94.2
Tristan Beck
94.4
Swinging-Strike %lg 11.0% · higher = better
Reynaldo López
9.9%
Tristan Beck
8.5%
Strikeout %lg 22.0% · higher = better
Reynaldo López
21.6%
Tristan Beck
9.4%
Chase %lg 28.5% · higher = better
Reynaldo López
27.2%
Tristan Beck
26.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Reynaldo López
36.4%
Tristan Beck
40.4%
Barrel % Allowedlg 8.0% · lower = better
Reynaldo López
7.7%
Tristan Beck
9.6%
xwOBA Allowedlg .315 · lower = better
Reynaldo López
.330
Tristan Beck
.330
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
Reynaldo López
2.834.98
lg xERA 4.10
now 3.31
4.29
Tristan Beck
2.834.98
lg xERA 4.10
now 4.50
3.70
WHIPlower is better
Reynaldo López
1.141.60
now 1.33
1.34
Tristan Beck
1.141.60
now 1.50
1.24

Volume · rest of season
Strikeoutshigher is better
Reynaldo López
4043
now 31
21
Tristan Beck
4043
now 1
6
Winshigher is better
Reynaldo López
.0002.80
now 2
12
Tristan Beck
.0002.80
now 0
00

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

If you already own them — trade angle
SellReynaldo López — sell.conf 0.70
Hold · wait & seeTristan Beck — hold.conf 0.50
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