This page may contain affiliate links to legal sports betting partners. If you sign up or place a wager, FOX Sports may be compensated. Read more aboutSports Betting on FOX Sports. New users on Polymarket can enter promo code FOX to get a $20 bonus while trading on today's MLB action. With the postseason races tightening and several intriguing weekend series beginning Friday, there are plenty of baseball markets to follow. The Braves and Red Sox have both won eight straight games and are looking to extend their MLB's leading win streaks. The Braves face the Yankees in the Bronx and the Red Sox face a struggling Athletics team. Logan Gilbert takes the mound for the Mariners as they face the Rays. Gilbert has already recorded 139 strikeouts this season and is looking to add more against a good Rays team. The Blue Jays and Phillies meet in Philadelphia, while the Dodgers and Diamondbacks begin a key NL West set with Roki Sasaki on the mound in game one. New users can enter Polymarket Promo Code FOX to claim a $20 bonus and trade on today's MLB games, player performances, playoff races and other baseball markets. For more information and full terms and conditions, visit our Polymarket promo codepage. How to Claim the Polymarket Promo with Code FOX Braves vs. Yankees *Probability is subject to change* More markets available on Polymarket. MLB Games Today