Eight of the 10 MLB playoff spots have been clinched entering the season's final weekend, with two up for grabs in the National League.
The National League West is still yet to be decided, with the Rockies one game ahead of the Dodgers prior to Friday night's action. Both the Cubs and Brewers have clinched playoff spots, but one will win the National League Central while the other will be relegated to the Wild Card Game.
So which teams are secure in their playoff positioning with three regular-season contests remaining? Here's a quick postseason primer.
Boston Red Sox:
The AL's top team cruised to the division crown over the Yankees, clinching the division on Sept.