BOWLING—BILLY WELU of St. Louis became the second ABC Masters champion to successfully defend his title when he advanced through the losers' bracket and gained 778-735 and 832-782 victories over Don Ellis of Houston in the finals.
BOXING—Heavyweight Champion CASSIUS CLAY, defending his title for the first time, knocked out Challenger Sonny Liston with a swift, hard right to the jaw in the first two minutes of their scheduled 15-rounder at Lewiston, Me. (page 22).
World Flyweight Champion SALVATORE BUR-RUNI of Italy, fighting for the first time since he won the title from Pone Kingpetch of Thailand last month, knocked out Francisco Perez Berdonces of Spain in the eighth round of a scheduled 10-rounder at Frosinone, Italy.
GOLF—Australia's BRUCE CRAMPTON became the first to win three tournaments on the PGA tour this season when he shot a 279 to finish one stroke ahead of Jacky Cupit and Lionel Hebert in the $87,000 Speedway Festival Open in Indianapolis.
Charlie Ward, 53, former British Ryder Cup player, won the British Senior Golf Tournament and qualified to meet Sam Snead for the world senior title, July 4 in Lancashire, England. Ward shot a 66-73-71 for a 54-hole total of 210 to edge another Ryder Cup player, Dai Rees, by two strokes.
HARNESS RACING—Undefeated BRET HANOVER ($2.20), guided by Frank Ervin, made the $35,800 Commodore Pace at Roosevelt Raceway his 27th straight victory as he defeated Adios Vic by three-fourths of a length in track record time for 3-year-old pacers of 1:59 2/5.
Big John ($16.40), runner-up in last year's Hambletonian to Triple Crown winner Ayres, spoiled the little bay's 1965 debut by taking the first leg of the $112,910 Harness Tracks of America Trot at Rose-croft in Oxon Hill, Md.
HORSE RACING—Entered late by her owner, Howell E. Jackson, who paid a $7,500 supplementary fee, CORDIALLY ($12.50), ridden by Braulio Baeza, nosed out What A Treat to win the $97,200 Mother Goose, the second leg of New York's Triple Crown for Fillies, at Aqueduct. Ground Control, the winner of the Acorn (first part of the filly series), finished fifth.
MOTOR SPORTS—For the third year in a row, GRAHAM HILL of Great Britain won the Monaco Grand Prix for Formula I cars as he drove his BRM over the 195[2/5]-mile course at an average speed of 74.34 mph in 2:37:39.6. Italy's Lorenzo Bandini, driving a Ferrari, finished 1 minute and 4 seconds behind Hill, while Scotland's Jackie Stewart came in third in a BRM. World Champion John Surtees of Britain ran out of fuel on the last lap.
Jimmy Clark of Scotland won the Indianapolis 500 at a record average speed of 150.686 mph. Parnelli Jones finished second, rookie Mario Andretti third.