MLB Daily DeltaWeek 20 · August 8, 2026
Portrait of Michael Petersen
Michael Petersen
MIA · P
Change to
Portrait of Tyler Alexander
Tyler Alexander
TEX · 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 and WHIP.

Head-to-head
K
ERA
WHIP
W
SV

Michael Petersen wins 2 categories (K, WHIP); Tyler Alexander wins 1 (ERA); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Michael Petersen
97.8
Tyler Alexander
91.9
Swinging-Strike %lg 11.0% · higher = better
Michael Petersen
14.0%
Tyler Alexander
10.3%
Strikeout %lg 22.0% · higher = better
Michael Petersen
29.2%
Tyler Alexander
20.9%
Chase %lg 28.5% · higher = better
Michael Petersen
32.8%
Tyler Alexander
32.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Michael Petersen
42.7%
Tyler Alexander
35.8%
Barrel % Allowedlg 8.0% · lower = better
Michael Petersen
10.9%
Tyler Alexander
4.0%
xwOBA Allowedlg .315 · lower = better
Michael Petersen
.285
Tyler Alexander
.284
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
Michael Petersen
2.893.92
lg xERA 4.10
now 3.63
3.69
Tyler Alexander
2.893.92
lg xERA 4.10
now 3.12
3.33
WHIPlower is better
Michael Petersen
1.021.48
now 1.12
1.24
Tyler Alexander
1.021.48
now 1.38
1.28

Volume · rest of season
Strikeoutshigher is better
Michael Petersen
4028.60
now 23
13
Tyler Alexander
4028.60
now 21
11
Winshigher is better
Michael Petersen
.0001.48
now 1
01
Tyler Alexander
.0001.48
now 1
01
Saveshigher is better
Michael Petersen
.0003.40
now 1
01
Tyler Alexander
.0003.40
now 2
02
If you already own them — trade angle
Hold · wait & seeMichael Petersen — hold.conf 0.50
BuyTyler Alexander — buy.conf 0.83
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