MLB Daily DeltaWeek 20 · August 8, 2026
Portrait of Mark Vientos
Mark Vientos
NYM · 1B
Change to
Royce Lewis
MIN · 1B
Change to
Who's more valuable, rest of season

Mark Vientos.

He projects to help you in more roto categories the rest of the way — runs and RBI.

Head-to-head
HR
R
RBI
SB
AVG

Mark Vientos wins 2 categories (R, RBI); Royce Lewis wins 1 (SB); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Mark Vientos
89.5
Royce Lewis
90.3
Hard-Hit %lg 40.0% · higher = better
Mark Vientos
43.8%
Royce Lewis
43.7%
Barrel %lg 8.0% · higher = better
Mark Vientos
10.1%
Royce Lewis
13.0%
Chase %lg 28.5% · lower = better
Mark Vientos
36.6%
Royce Lewis
31.8%
Swinging-Strike %lg 11.0% · lower = better
Mark Vientos
17.2%
Royce Lewis
16.0%
xwOBAlg .315 · higher = better
Mark Vientos
.310
Royce Lewis
.324
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 · batting average
AVGhigher is better
Mark Vientos
.200.250
lg AVG .295
now .224
.218
Royce Lewis
.200.250
lg AVG .295
now .159
.218

Volume · counting stats
Home Runshigher is better
Mark Vientos
58.60
now 7
3
Royce Lewis
58.60
now 3
3
Runshigher is better
Mark Vientos
2022.60
now 19
12
Royce Lewis
2022.60
now 11
10
RBIhigher is better
Mark Vientos
2031.60
now 26
17
Royce Lewis
2031.60
now 13
12
Stolen Baseshigher is better
Mark Vientos
.0004.20
now 0
0
Royce Lewis
.0004.20
now 3
3
If you already own them — trade angle
Buy LowMark Vientos — buy low. The dip is a window to acquire.conf 0.66
Hold · leans buyRoyce Lewis — hold.conf 0.60
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