MLB Player Props & Best Bets for Today, August 4

Colby Marchio - Contributor at Covers.com
Colby Marchio • Betting Analyst 7+ years betting experience
Updated: Aug 4, 2026 , 11:23 AM ET • 4 min read

The last 60 righties to face Grayson Rodriguez have gone off for a .386 xBA. That's why Colby Marchio's Tuesday MLB player props are targeting Pete Alonso.

Baltimore Orioles Pete Alonso MLB
Photo By - Reuters Connect. Baltimore Orioles first baseman Pete Alonso (25) homers against the Atlanta Braves.

After sweeping yesterday's props, we're looking to run it back tonight.

I found two Miami Marlins bats that I think are set for a big night. I also see Orioles slugger Pete Alonso getting the evening started on the right foot.

Here are my three favorite MLB player props for August 4.

Best MLB player props today

Player  Pick Odds
Orioles Pete Alonso  Over 1.5 hits + runs + RBI -144
Marlins Griffin Conine Over 1.5 hits + runs + RBI +103
Marlins Owen Caissie 1+ hits -154
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Pete Alonso Over 1.5 hits + runs + RBI (-144)

You like delicious trends?

What if I told you that, when rated elite on Batters-Box, Baltimore Orioles slugger Pete Alonso goes Over 1.5 hits, runs, and RBI 62% of the time? That's across 137 elite-rated games over the last three seasons.

Want more? In 58 elite-rated home games during that same span, he's gone Over this prop nearly 70% of the time.

Tonight, Alonso draws a mouthwatering matchup against Los Angeles Angels right-hander Grayson Rodriguez, who has been tormented by right-handed hitters this season. Across the last 60 right-handed batters he's faced, they've produced a 51.2% hard-hit rate, 19.5% barrel rate, and 68.3% elevation rate. They also own a .386 xBA, .778 xSLG, and .341 ISO during that stretch.

Alonso has also been scorching over his last 10 games, posting a .300 batting average, .318 xBA, 146 wRC+, and .617 SLG. During that span, he's generated a 62.5% hard-hit rate, 15.6% barrel rate, and 84.7% contact rate.

Backing one of the hottest bats in this Orioles lineup is a must tonight. I'd play this down to -150, or look for a boost.

  • Time: 6:35 p.m. ET
  • Where to watch: MASN, ABTV

Griffin Conine Over 1.5 hits + runs + RBI (+103)

It's another lovely day to back the son of "Mr. Marlin," Griffin Conine.

The Miami Marlins outfielder draws a great matchup against Atlanta Braves right-hander Grant Holmes. Not only does Conine carry an elite Batters-Box rating, but he also covers nearly 90% of Holmes' pitch mix.

Over his last 10 games, Conine has generated a 70% elevation rate, 60% hard-hit rate, and 15% barrel rate. During that span, he's also posted a 244 wRC+, .508 SLG, and .950 OPS.

Holmes, on the other hand, has struggled over his last three starts, recording a 5.52 ERA, 5.69 xERA, and 1.64 WHIP while allowing a 40% hard-hit rate and 14% barrel rate. The last 30 left-handed hitters he's faced have produced a .377 xBA, .661 xSLG, and .439 ISO.

I think Conine is in a great spot to go over his hits, runs, and RBI prop tonight. Don't pay juice for this one.

  • Time: 7:15 p.m. ET
  • Where to watch: BravesVsn, MIAM

Owen Caissie 1+ hits (-154)

We just need the bare minimum from Owen Caissie, who has been just as hot as Conine.

Over his last 60 at-bats against right-handed pitching, Caissie has generated a 53% hard-hit rate and a massive 26.5% barrel rate. On top of that, he's posted a .667 SLG, 1.000 OPS, and .389 ISO.

Caissie enters Tuesday with an elite Batters-Box rating while carrying 53.3% arsenal coverage against Grant Holmes. Even with the lower arsenal coverage, he still owns excellent expected numbers against Holmes' secondary offerings.

Against sliders and curveballs, Caissie has produced at least a .263 xBA while generating 50% hard contact.

Right-handed hitters have also been feasting against Holmes. Over the last 30 right-handed batters he's faced, they've generated a 40% hard-hit rate, 12% barrel rate, and 64% elevation rate. During that stretch, they've also posted a .319 xBA, .614 xSLG, and .362 xwOBA.

Through 14 elite Batters-Box ratings this season, Caissie has recorded at least one hit 64.29% of the time. I'd play this down to -160, but if you can find the same price on Over 0.5 hits, runs, and RBI, I'd rather go that route.

  • Time: 7:15 p.m. ET
  • Where to watch: BravesVsn, MIAM
Colby Marchio's 2026 Transparency Record
  • Prop picks: 359-711, -20.8 units

Odds are correct at the time of publishing and are subject to change.
Not intended for use in MA.
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Colby Marchio
Betting Analyst

Colby Marchio is a two-time DePaul alum and former Division 1 (club) baseball player who has been sports betting since 2019. Since graduating in 2021, he has worked throughout the media circuit, hosting and appearing on various television and radio shows while making countless guest appearances discussing Major League Baseball, college basketball, college football, and the National Football League.

A self-proclaimed numbers nerd, Colby may enjoy digging through the data even more than winning itself. That passion is why his two favorite sports to cover are college basketball and Major League Baseball. 

As for his favorite sportsbook, it is whichever one has the best price, or whichever one is not taxing him as an Illinois resident. 

You can find all of his plays and more @ColbyMBets on Twitter/X.

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