A series that will have massive implications on the American League West race begins Friday when the Seattle Mariners and Texas Rangers collide in the first of three games at Globe Life Field in Arlington, Texas. The Mariners and Rangers are both 84-68 and tied for second in the AL West, a half-game behind the Astros (85-68). Seattle and Texas also are tied for the third and final Wild Card berth, placing further importance on the series. For Friday, Texas is a -126 favorite (risk $126 to win $100) in the latest MLB odds, while Seattle is a +106 underdog. The over/under for runs scored is 9.5.

The game is one of 15 on the MLB schedule for Friday. Elsewhere in the majors, the Twins can clinch the AL Central with a win over the Angels in Minneapolis, and the Rays and Blue Jays play the first of six games over a 10-day stretch. Before making any MLB picks or parlays, be sure to check out the MLB predictions and betting advice from SportsLine's proven computer model.

The SportsLine Projection Model simulates every MLB game 10,000 times. It went 331-285 on top-rated MLB money-line picks (+357) over the past two seasons. It entered Week 25 of the 2023 MLB season 84-66 on all top-rated MLB picks this season and has excelled on top-rated run-line picks, going 15-5 (+653). Anybody following has seen big returns.

For Friday, the model has locked in three MLB best bets for games that begin at 7:10 p.m. ET or later. If you successfully parlay the picks, you'd be looking at a payout of almost 12-1. You can see the model's MLB picks only at SportsLine

Top MLB picks today

The model, which ran 10,000 simulations on each of the 15 games on Friday, is taking the Chicago White Sox (+180) to knock off Boston. The Red Sox have cratered since the trade deadline, going 18-28 and dropping to last in the AL East. Boston (75-78) was officially eliminated from postseason contention on Wednesday.

Centerfielder Luis Robert Jr. has had an excellent season for the White Sox. The 26-year-old leads the team in batting average (.264), home runs (37) and RBI (79). He also has a .969 OPS against lefthanded pitchers, which bodes well on Friday against Red Sox starter Chris SaleSee the model's top MLB picks here.

How to make Friday MLB parlays

The model also locked in two other best bets for Friday, including a play on an even bigger AL underdog, which would pay plus-money. You can see the model's MLB Friday best bets and parlay only at SportsLine.

What MLB picks should you target for a payout of almost 12-1, and which big AL underdog should you be all over on Friday? Visit SportsLine now to see the MLB best bets from an advanced model that is 84-66 on all top-rated MLB picks this season, and find out.