MLB Daily DeltaWeek 18 · July 24, 2026
Portrait of Iván Herrera
Iván Herrera
STL · DH
Change to
Portrait of Mark Vientos
Mark Vientos
NYM · 1B
Change to
Who's more valuable, rest of season

Iván Herrera.

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

Head-to-head
HR
R
RBI
SB
AVG

Iván Herrera wins 3 categories (R, SB, AVG); Mark Vientos wins 2 (HR, RBI).

04

Under the hood

Underlying skill — each value vs league avg
Avg Exit Velolg 89.0 · higher = better
Iván Herrera
89.0
Mark Vientos
89.5
Hard-Hit %lg 40.0% · higher = better
Iván Herrera
38.8%
Mark Vientos
43.8%
Barrel %lg 8.0% · higher = better
Iván Herrera
5.3%
Mark Vientos
10.1%
Chase %lg 28.5% · lower = better
Iván Herrera
27.7%
Mark Vientos
36.6%
Swinging-Strike %lg 11.0% · lower = better
Iván Herrera
9.1%
Mark Vientos
17.2%
xwOBAlg .315 · higher = better
Iván Herrera
.332
Mark Vientos
.310
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
Iván Herrera
.200.280
lg AVG .295
now .260
.227
Mark Vientos
.200.280
lg AVG .295
now .224
.220

Volume · counting stats
Home Runshigher is better
Iván Herrera
58.60
now 7
3
Mark Vientos
58.60
now 7
5
Runshigher is better
Iván Herrera
2042.60
now 35
25
Mark Vientos
2042.60
now 19
16
RBIhigher is better
Iván Herrera
2030.20
now 27
19
Mark Vientos
2030.20
now 26
22
Stolen Baseshigher is better
Iván Herrera
.0003.20
now 2
1
Mark Vientos
.0003.20
now 0
0
If you already own them — trade angle
Hold · leans buyIván Herrera — hold.conf 0.60
Buy LowMark Vientos — buy low. The dip is a window to acquire.conf 0.66
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