MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Grant Wolfram
Grant Wolfram
BAL · P
Change to
Portrait of José A. Ferrer
José A. Ferrer
SEA · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Grant Wolfram wins 2 (K, W); José A. Ferrer wins 2 (ERA, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Grant Wolfram
94.9
José A. Ferrer
95.7
Swinging-Strike %lg 11.0% · higher = better
Grant Wolfram
13.1%
José A. Ferrer
11.2%
Strikeout %lg 22.0% · higher = better
Grant Wolfram
26.7%
José A. Ferrer
19.3%
Chase %lg 28.5% · higher = better
Grant Wolfram
32.9%
José A. Ferrer
30.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Grant Wolfram
43.3%
José A. Ferrer
36.3%
Barrel % Allowedlg 8.0% · lower = better
Grant Wolfram
5.0%
José A. Ferrer
3.9%
xwOBA Allowedlg .315 · lower = better
Grant Wolfram
.297
José A. Ferrer
.269
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
Grant Wolfram
24.95
lg xERA 4.10
now 4.02
3.70
José A. Ferrer
24.95
lg xERA 4.10
now 1.69
3.65
WHIPlower is better
Grant Wolfram
1.071.66
now 1.53
1.24
José A. Ferrer
1.071.66
now 1.20
1.24

Volume · rest of season
Strikeoutshigher is better
Grant Wolfram
4043.40
now 21
37
José A. Ferrer
4043.40
now 23
30
Winshigher is better
Grant Wolfram
.0004.20
now 1
13
José A. Ferrer
.0004.20
now 0
00
Saveshigher is better
Grant Wolfram
.0007
now 0
0
José A. Ferrer
.0007
now 3
35
If you already own them — trade angle
Buy LowGrant Wolfram — buy low. The dip is a window to acquire.conf 0.79
Hold · wait & seeJosé A. Ferrer — hold.conf 0.50
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