This weekend’s play-by-play action features a clash of two top American League teams — the Boston Red Sox, who trail the New York Yankees by just two games in the AL East, and the Houston Astros, who lead all of the MLB with a 45-22 record heading into the weekend.

Saturday

104.3 The Fan

MLB

» Red Sox at Astros, 5 p.m.

Sunday

ESPN Denver 1600

NASCAR

» FireKeepers 400, noon

MLB

» Red Sox at Astros, 5 p.m.