Jeff Malone scored eight of his 33 points in the final five minutes as the Washington Bullets defeated the Cleveland Cavaliers, 110-102, in an NBA game last night in Richfield, Ohio.

Cleveland had rallied from a 14-point deficit early in the third quarter to lead, 96-92, on a 12-foot jumper by Roy Hinson with 5:21 to play. Malone, however, tied the score at 96 with 4:36 left on a base-line drive and an 18-foot jump shot.

John Bagley's layup gave Cleveland its last lead at 98-96. The Bullets' Dan Roundfield responded with a pair of foul shots and a reverse layup to give Washington a 100-98 advantage with 2:48 to go.

After Hinson's stuff tied the score at 100 with 2:36 left, Jeff Ruland put the Bullets ahead for good with a foul shot. Malone then popped in an 18-footer, Roundfield added a foul shot and Manute Bol made two free throws for a 106-100 Washington lead with 24 seconds left.

Roundfield scored 17 points and Leon Wood had 14 for the Bullets, who won for only the third time in their last 12 games. Ruland also scored 17 points and Gus Williams added 13.

Hinson led Cleveland with 26 points and Bagley had 15. The Cavaliers played without guard World B. Free, who has a pulled calf muscle.

Malone made 15 of his 27 shots from the field and had eight rebounds, seven assists and three steals.

The Bullets held the Cavaliers to seven field goals in 27 attempts in the fourth quarter and outrebounded the Cavaliers by 17-11 during the period. Roundfield, Ruland and Bol dominated the middle defensively and rarely allowed Cleveland more than one shot.

The Bullets shot 57 percent from the field in the first half but cooled to 40 percent in the second half, when the Cavaliers played good defense from midway through the third quarter until Malone and Roundfield took over late in the game.

Washington also made 20 foul shots, to Cleveland's 14, and outrebounded the Cavaliers by 43-36 in the contest. Bulls 129, SuperSonics 125

In Chicago, George Gervin scored on an alley-oop basket and added a free throw with 64 seconds remaining in triple overtime to beat Seattle.

Gervin, who had not scored since the first quarter, gave the Bulls a 126-124 edge on a pass from Kyle Macy and then hit his big free throw.

After Seattle's Mike McCormick hit one of two free throws, Chicago reserve Mike Smrek closed out the Bulls' 20th triumph with a pair of free throws.

Seattle's Tom Chambers had a team-high 31 points, and Gene Banks scored a career-high 38 points for the Bulls.

The Bulls' Dave Corzine suffered a possible fractured left hand in the fourth quarter. Bucks 120, Spurs 115

Sidney Moncrief scored 31 points, including 14 in the third period, as Milwaukee defeated visiting San Antonio for its eighth straight victory.

Moncrief led the way as the Bucks rallied from a nine-point deficit, 68-59, to take a 15-point lead, 97-82, in the last 8:31 of the third quarter.

San Antonio was led by Artis Gilmore, who scored 25 points before fouling out with 3:08 left in the game. Hawks 112, Nets 83

Dominique Wilkins scored 27 points in three quarters and then watched from the bench as Atlanta beat visiting New Jersey.

The score was tied at 34 with 4:34 left in the first half when Wilkins hit a three-point shot to start a 13-0 Atlanta run. Wilkins, playing his second straight game after missing three with sprained knee ligaments, scored eight of the points in that streak. The Hawks then pulled away.

Darwin Cook led the Nets with 16 points. Kevin Willis scored 17 points and had 19 rebounds for Atlanta. Pistons 113, Trail Blazers 106

Vinnie Johnson came off the bench to score 22 points, including 10 in the final quarter, and Isiah Thomas added 21 to lead Detroit over visiting Portland.

Portland's Steve Colter led all scorers with 23 points, Mychal Thompson had 15 and Kiki Vandeweghe and Jim Paxson added 14 each for the Trail Blazers. Jazz 105, Suns 97

Adrian Dantley scored 36 points and Mark Eaton had 13 rebounds and 10 blocked shots as Utah beat Phoenix in Salt Lake City.

After taking an 82-79 lead early in the final quarter, Phoenix went cold and did not score again for more than three minutes.

Phoenix got 22 points from Walter Davis and 21 from Jay Humphries. Nuggets 113, Mavericks 106

Veteran forward Bill Hanzlik led Denver in scoring for the first time this season with 21 points as the Nuggets defeated Dallas for their eighth straight home-court victory.

Dallas got 19 points from Derek Harper, 18 from Mark Aguirre and 16 from Jay Vincent.