MLB Daily DeltaWeek 13 · June 19, 2026
Joe Mantiply
TOR · P
Change to
Portrait of Michael Petersen
Michael Petersen
MIA · P
Change to
Who's more valuable, rest of season

Michael Petersen.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Michael Petersen wins 3 categories (K, ERA, SV); Joe Mantiply wins 1 (W); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Joe Mantiply
88.8
Michael Petersen
97.5
Swinging-Strike %lg 11.0% · higher = better
Joe Mantiply
8.3%
Michael Petersen
13.9%
Strikeout %lg 22.0% · higher = better
Joe Mantiply
22.5%
Michael Petersen
30.3%
Chase %lg 28.5% · higher = better
Joe Mantiply
35.9%
Michael Petersen
29.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Joe Mantiply
44.0%
Michael Petersen
42.9%
Barrel % Allowedlg 8.0% · lower = better
Joe Mantiply
10.0%
Michael Petersen
11.4%
xwOBA Allowedlg .315 · lower = better
Joe Mantiply
.332
Michael Petersen
.273
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
Joe Mantiply
24.36
lg xERA 4.10
now 2.04
3.70
Michael Petersen
24.36
lg xERA 4.10
now 3.63
3.68
WHIPlower is better
Joe Mantiply
1.051.31
now 1.13
1.24
Michael Petersen
1.051.31
now 1.12
1.24

Volume · rest of season
Strikeoutshigher is better
Joe Mantiply
4032.60
now 16
26
Michael Petersen
4032.60
now 23
27
Winshigher is better
Joe Mantiply
.2003.80
now 1
13
Michael Petersen
.2003.80
now 1
12
Saveshigher is better
Joe Mantiply
.0004.40
now 0
0
Michael Petersen
.0004.40
now 1
13
If you already own them — trade angle
Hold · wait & seeJoe Mantiply — hold.conf 0.50
Hold · wait & seeMichael Petersen — hold.conf 0.50
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