MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Grayson Rodriguez
Grayson Rodriguez
LAA · P
Change to
Shane Bieber
TOR · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
◀
ERA
WHIP
▶
W
SV n/a

Grayson Rodriguez wins 1 (ERA); Shane Bieber wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Grayson Rodriguez
96.1
Shane Bieber
92.3
Swinging-Strike %lg 11.0% · higher = better
Grayson Rodriguez
11.7%
Shane Bieber
10.1%
Strikeout %lg 22.0% · higher = better
Grayson Rodriguez
19.1%
Shane Bieber
18.2%
Chase %lg 28.5% · higher = better
Grayson Rodriguez
27.9%
Shane Bieber
29.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Grayson Rodriguez
44.7%
Shane Bieber
46.0%
Barrel % Allowedlg 8.0% · lower = better
Grayson Rodriguez
8.7%
Shane Bieber
10.9%
xwOBA Allowedlg .315 · lower = better
Grayson Rodriguez
.360
Shane Bieber
.368
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
Grayson Rodriguez
4.178.25
lg xERA 4.10
now 7.53
5.13
Shane Bieber
4.178.25
lg xERA 4.10
now 6.00
5.33
WHIPlower is better
Grayson Rodriguez
1.172.24
now 1.67
1.44
Shane Bieber
1.172.24
now 2.00
1.41

Volume · rest of season
Strikeoutshigher is better
Grayson Rodriguez
4019.60
now 14
0
Shane Bieber
4019.60
now 6
0
Winshigher is better
Grayson Rodriguez
.0002.80
now 2
0–0
Shane Bieber
.0002.80
now 0
0–0

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

If you already own them — trade angle
SellGrayson Rodriguez — sell.conf 0.90
Sell HighShane Bieber — sell high. His value is peaking; good time to trade him.conf 0.95
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