MLB Daily DeltaWeek 19 · July 31, 2026
Germán Márquez
SD · P
Change to
Portrait of Jacob Lopez
Jacob Lopez
ATH · 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

Germán Márquez wins 2 (WHIP, W); Jacob Lopez wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Germán Márquez
94.7
Jacob Lopez
90.5
Swinging-Strike %lg 11.0% · higher = better
Germán Márquez
9.6%
Jacob Lopez
10.4%
Strikeout %lg 22.0% · higher = better
Germán Márquez
16.1%
Jacob Lopez
18.7%
Chase %lg 28.5% · higher = better
Germán Márquez
25.8%
Jacob Lopez
26.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Germán Márquez
44.4%
Jacob Lopez
30.9%
Barrel % Allowedlg 8.0% · lower = better
Germán Márquez
9.8%
Jacob Lopez
4.5%
xwOBA Allowedlg .315 · lower = better
Germán Márquez
.359
Jacob Lopez
.299
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
Germán Márquez
2.527.96
lg xERA 4.10
now 5.76
5.08
Jacob Lopez
2.527.96
lg xERA 4.10
now 6.75
3.73
WHIPlower is better
Germán Márquez
1.292
now 1.45
1.45
Jacob Lopez
1.292
now 1.84
1.52

Volume · rest of season
Strikeoutshigher is better
Germán Márquez
4045.60
now 19
29
Jacob Lopez
4045.60
now 38
34
Winshigher is better
Germán Márquez
.4007.60
now 3
36
Jacob Lopez
.4007.60
now 4
25

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

If you already own them — trade angle
Sell HighGermán Márquez — sell high. His value is peaking; good time to trade him.conf 0.83
BuyJacob Lopez — buy.conf 0.71
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