MLB Same Game Parlay: Rangers vs. Mariners for July 31, 2025

By Adam Thompson Jul 31st, 2025 12:12 PM EDT

PA

The Same Game Parlay has become a popular wager at online sportsbooks across the country.

MLB Same Game Parlays have especially taken off in popularity, and Bookies.com has listed today's MLB's Same Game Parlay for MLB on July 31st.

Texas Rangers at Seattle Mariners

Leg 1: Over 7.5 Runs

Leg 2: George Kirby, Under 5.5 Strikeouts

Leg 3: Kumar Rocker, Under 15.5 Outs

The Mariners and Rangers begin a critical four-game series in Seattle, tied for the third-and-final spot in the AL Wild Card race.

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Leg 1: The Mariners’ offense has been struggling of late, that might change with Eugenio Suarez back in town starting (presumably) this weekend. That should change even sooner here vs. Kumar Rocker, who has a 9.91 ERA in seven road starts. Seattle’s scored seven runs off him in 9.1 IP this season. Mariners starter George Kirby has given up 10 runs over his last 17 innings, and Texas has an .811 road OPS the last two weeks. The last six Rangers games have all totaled 9-13 runs.

Leg 2: George Kirby has six-plus strikeouts in three of his four July starts for the Mariners. Prior to that, however, he’d struck out over five just once in eight starts. Texas is simply average when it comes to K’s, and slightly below the norm on the road.

Leg 3: Kumar Rocker has been solid on the home field, but dreadful away from it. In seven road starts, he’s registered over 15 outs just two times, and in both those instances, he got 16 before being pulled. Suarez won’t be in the lineup for Seattle, but the move should energize those who are playing Thursday night.  

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About the Author

Adam Thompson

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Long established as one of the nation's premier handicappers, Adam Thompson joined Bookies.com in 2019 after a successful run as senior handicapper for SportsLine & CBSSports.com. He specializes in the NFL and MLB, where he's hit on well over 60% of his picks the past five years. Adam's NBA and horse racing picks have also produced consistent, major winners over the years.