Making a futures bet in baseball means wagering on an event that will happen sometime later in the year. The most popular futures market in the MLB is betting on which team will win the World Series.

— Randy Arozarena hit a walk-off, two-run home run as the Seattle Mariners beat the Chicago Cubs 5-4 on Saturday night. Leo Rivas has RBI single in 10th, Mariners beat Cubs 6-5 — Leo Rivas had an RBI ...