PRO BASKETBALL—NBA: Less than a minute to play, score 99-99. Washington's Charlie Johnson takes a long shot and misses. Teammate Wes Unseld grabs the rebound and shoots. The ball rolls on the rim and falls off. Rebound to Unseld. He shoots again with 12 seconds left. The Bullets are in the final round of the NBA championships, with a 101-99 sixth-game victory over the Philadelphia 76ers. In Game 5, the 76ers, looking like the multimillion-dollar team that they are, had stayed at least eight points ahead of the Bullets for the entire second half for a 107-94 win. Seattle defeated Denver 105-91 in Game 3 of the Western Conference championship, the 18th straight home victory for the Sonics. Two nights later Seattle made it 19 in a row as Dennis Johnson pumped in a career-high 31 points for a 100-94 win and a 3-1 series lead. Back in Denver, David Thompson scored 35 points to keep Denver's playoff hopes alive with a 123-114 win (page 12).
GOLF—LEE TREVINO shot a final round of 66 for a 12-under 268 to win the $200,000 Colonial National Invitation in Fort Worth. Jerry Heard and Jerry Pate tied for second place, four strokes back.
Jan Stephenson won the rain-delayed $80,000 LPGA International in Hilton Head, S.C. with a five-under-par 283. Beth Daniel, an amateur, was second, four strokes back.
Nancy Lopez shot a one-under-par 212 to defeat Donna Caponi Young by three strokes in the $65,000 Greater Baltimore Classic at Lutherville, Md.
HOCKEY—NHL: Guy Lafleur scored one goal and set up two others as Montreal defeated Boston 4-1 in the first game of the Stanley Cup finals at the Forum. Boston took an early 1-0 lead on a power-play goal by Brad Park, but the Canadiens quickly went ahead 2-1 on power-play scores by Lafleur and Yvon Lambert and then controlled play the rest of the way, out-shooting the Bruins 27-16. The Canadiens, seeking their third straight cup, gained the finals with a four-straight wipeout of Toronto in the semifinals, Goaltender Ken Dryden shutting out the Maple Leafs 2-0 in Game 4. Boston eliminated Philadelphia in five games, stunning the Flyers 4-2 in Game 4 at Philadelphia and then eliminating them 6-3 in Game 5 at Boston Garden.
WHA: Winnipeg, which enjoyed a bye during the semifinals, whipped New England 4-1 in Game 1 of the Avco Trophy finals at Springfield, Mass. Bobby Guindon led Winnipeg with two goals. The Jets then beat New England 5-2 for a 2-0 series lead.
The SOVIET UNION defeated defending champion Czechoslovakia 3-1 to win the World Championships in Prague.
HORSE RACING—Winning his sixth consecutive race, BOWL GAME ($2.80), under Jorge Velasquez, defeated Oilfield by six lengths to win the second division of the $58,450 Dixie Handicap at Pimlico. The Greentree Stable's 4-year-old gelding completed the 1�-mile turf race in 2:33[2/5]. FLUORESCENT LIGHT ($17.60), Vince Bracciale up, won the $57,450 first division by a neck over That's A Nice, covering the course in 2:33[1/5].
Seattle Slew ($2.20), Jean Cruguet in the irons, won an allowance race by 8� lengths over Proud Arion. In his first start in 10 months, the 1977 Triple Crown champion and Horse of the Year covered the seven furlongs of sloppy track in 1:22[4/5].
J. O. Tobin ($3), Steve Cauthen up, won the $214,550 Californian Stakes by 2� lengths over Replant at Hollywood Park. The 4-year-old colt ran the 1[1/16] miles in 1:41.