On The Air

Today

Tennis

• WTA-ATP Madrid, early rounds & round of 16, 6 a.m., Tennis Channel

Golf

• PGA: PGA Professional Championship, second round, at Port St. Lucie, Fla., 3 p.m., Golf Channel

Major League Baseball

• New York Mets at Washington Nationals, 4 p.m., MLB Network (tentative)

• New York Yankees at Baltimore Orioles OR St. Louis Cardinals at Cincinnati Reds, 7 p.m. (may be joined in progress), MLB Network

• Detroit Tigers at Houston Astros, 8 p.m., FanDuel Sports Detroit

• Miami Marlins at Los Angeles Dodgers, 11 p.m. (may be joined in progress), MLB Network

Pro hockey

• NHL playoffs, first round, Game 4: Tampa Bay Lightning at Florida Panthers, 7 p.m., ESPN

• NHL playoffs, first round, Game 5: Colorado Avalanche at Dallas Stars, 9:30 p.m., ESPN

College softball

• Florida at LSU, 7 p.m., SEC Network

Pro basketball

• NBA playoffs, first round, Game 4: Cleveland Cavaliers at Miami Heat, 7:30 p.m., TNT & TruTV

• NBA playoffs, first round, Game 4: Houston Rockets at Golden State Warriors, 10 p.m., TNT & TruTV

Tuesday daytime

Tennis

• WTA-ATP Madrid, round of 16 & quarterfinals, 5 a.m., Tennis Channel