MLB Daily DeltaWeek 19 · July 30, 2026
Portrait of Luis Severino
Luis Severino
ATH · P
Change to
Shane Bieber
TOR · 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

Luis Severino wins 2 (K, W); Shane Bieber wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Luis Severino
96.9
Shane Bieber
92.2
Swinging-Strike %lg 11.0% · higher = better
Luis Severino
10.9%
Shane Bieber
10.5%
Strikeout %lg 22.0% · higher = better
Luis Severino
24.0%
Shane Bieber
15.6%
Chase %lg 28.5% · higher = better
Luis Severino
31.3%
Shane Bieber
29.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Luis Severino
38.7%
Shane Bieber
45.5%
Barrel % Allowedlg 8.0% · lower = better
Luis Severino
8.7%
Shane Bieber
10.9%
xwOBA Allowedlg .315 · lower = better
Luis Severino
.318
Shane Bieber
.407
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
Luis Severino
3.346.76
lg xERA 4.10
now 4.16
4.21
Shane Bieber
3.346.76
lg xERA 4.10
now 6.00
4.10
WHIPlower is better
Luis Severino
1.022.28
now 1.47
1.41
Shane Bieber
1.022.28
now 2.00
1.30

Volume · rest of season
Strikeoutshigher is better
Luis Severino
4088.60
now 65
48
Shane Bieber
4088.60
now 6
34
Winshigher is better
Luis Severino
.0002.80
now 2
12
Shane Bieber
.0002.80
now 0
00

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

If you already own them — trade angle
Hold · leans sellLuis Severino — hold.conf 0.60
Hold · wait & seeShane Bieber — hold.conf 0.50
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