Sunday's TV schedule, complete with channels and times, customized for the Boston sports fan. Click on highlighted teams' names for complete schedules, scores, and previews, plus an active community devoted to your team. All times ET and approximate.

NBA

NBA Playoffs, Round One

Boston Celtics vs. Atlanta Hawks - 7 p.m. (TV: Comcast Sports Net New England, TNT) The Boston Celtics host Game 4 in their first round playoff series against the Atlanta Hawks at the TD Garden Sunday evening. The Celtics lead the series, two games to one, after winning 90-84 in overtime on Friday night. Be sure to follow our continued coverage of this series.

Chicago Bulls vs. Philadelphia 76ers - 1 p.m. (TV: ABC Channel 5)

Miami Heat vs. New York Knicks - 3:30 p.m. (TV: ABC Channel 5)

Los Angeles Lakers vs. Denver Nuggets - 9:30 p.m. (TV: TNT)

MLB

Boston Red Sox vs. Baltimore Orioles - 1:35 p.m. (TV: NESN) Can the Boston Red Sox salvage their weekend series against the Baltimore Orioles? The Red Sox will sent Clay Buchholz to the mound in an effort to win one on the weekend. The Orioles start 2-1 right hander Tommy Hunter.

Philadelphia Phillies vs. Washington Nationals - 8 p.m. (TV: ESPN)

NHL

NHL Playoffs, Round Two

St. Louis Blues vs. Los Angeles Kings - 3 p.m. (TV: NBC Channel 7)

Philadelphia Flyers vs. New Jersey Devils - 7:30 p.m. (TV: NBC Sports Network)