MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Bailey Ober
Bailey Ober
MIN · P
Change to
Portrait of Spencer Arrighetti
Spencer Arrighetti
HOU · 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

Bailey Ober wins 2 (ERA, WHIP); Spencer Arrighetti wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Bailey Ober
88.5
Spencer Arrighetti
92.5
Swinging-Strike %lg 11.0% · higher = better
Bailey Ober
9.6%
Spencer Arrighetti
11.0%
Strikeout %lg 22.0% · higher = better
Bailey Ober
16.4%
Spencer Arrighetti
22.3%
Chase %lg 28.5% · higher = better
Bailey Ober
30.1%
Spencer Arrighetti
27.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Bailey Ober
32.7%
Spencer Arrighetti
29.3%
Barrel % Allowedlg 8.0% · lower = better
Bailey Ober
9.8%
Spencer Arrighetti
5.4%
xwOBA Allowedlg .315 · lower = better
Bailey Ober
.323
Spencer Arrighetti
.331
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
Bailey Ober
25.89
lg xERA 4.10
now 4.59
4.22
Spencer Arrighetti
25.89
lg xERA 4.10
now 1.34
4.37
WHIPlower is better
Bailey Ober
1.021.52
now 1.22
1.31
Spencer Arrighetti
1.021.52
now 1.13
1.41

Volume · rest of season
Strikeoutshigher is better
Bailey Ober
4094.80
now 46
73
Spencer Arrighetti
4094.80
now 43
80
Winshigher is better
Bailey Ober
.20018
now 6
511
Spencer Arrighetti
.20018
now 7
817

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

If you already own them — trade angle
Hold · leans sellBailey Ober — hold.conf 0.60
Sell HighSpencer Arrighetti — sell high. His value is peaking; good time to trade him.conf 0.95
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