MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Grant Wolfram
Grant Wolfram
BAL · P
Change to
Portrait of Will Klein
Will Klein
LAD · 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); Will Klein 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
Will Klein
97.8
Swinging-Strike %lg 11.0% · higher = better
Grant Wolfram
13.1%
Will Klein
9.5%
Strikeout %lg 22.0% · higher = better
Grant Wolfram
26.7%
Will Klein
25.8%
Chase %lg 28.5% · higher = better
Grant Wolfram
32.9%
Will Klein
30.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Grant Wolfram
43.3%
Will Klein
36.3%
Barrel % Allowedlg 8.0% · lower = better
Grant Wolfram
5.0%
Will Klein
2.5%
xwOBA Allowedlg .315 · lower = better
Grant Wolfram
.297
Will Klein
.272
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
24.88
lg xERA 4.10
now 4.02
3.70
Will Klein
24.88
lg xERA 4.10
now 1.88
3.67
WHIPlower is better
Grant Wolfram
.9001.73
now 1.53
1.24
Will Klein
.9001.73
now 1.04
1.24

Volume · rest of season
Strikeoutshigher is better
Grant Wolfram
4043.40
now 21
37
Will Klein
4043.40
now 25
36
Winshigher is better
Grant Wolfram
.2003.80
now 1
13
Will Klein
.2003.80
now 1
12
Saveshigher is better
Grant Wolfram
.0004.40
now 0
0
Will Klein
.0004.40
now 1
13
If you already own them — trade angle
Buy LowGrant Wolfram — buy low. The dip is a window to acquire.conf 0.79
Hold · wait & seeWill Klein — hold.conf 0.50
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