Times Eastern. Programs live unless noted. Check local listings.

AUTO RACING: Monster Energy NASCAR Cup Series, Food City 500 (Fox, 1 p.m.) MLB: Baltimore at Boston (MLB Network, 11 a.m.); St. Louis at Chicago Cubs (ESPN, 7 p.m.); regional, Houston at Seattle or L.A. Dodgers at San Diego (MLB Network, 10 p.m.) NBA: Playoffs, first round, Game 2, Miami at Philadelphia (TNT, 8 p.m.); San Antonio at Golden State (TNT, 10:30 p.m.)

NHL: Playoffs, first round, Game 3, Boston at Toronto (NBCSN, 7 p.m.); Tampa Bay at New Jersey (CNBC, 7:30 p.m.); Nashville at Colorado (NBCSN, 10 p.m.); Anaheim at San Jose (CNBC, 10:30 p.m.) RUNNING: Boston Marathon (NBCSN, 8:30 a.m.) SOCCER: German Bundesliga, Mainz vs. Freiburg (Fox Sports 2, 2:20 p.m.); English Premier League, West Ham vs. Stoke City (NBC Sports Network, 2:55 p.m.)