Make Mine Cash captured the $1.7 million All-American Derby after the favorite and apparent winner, Mr Master Bug, was disqualifed for interference in the 440-yard race in Ruidoso Downs, N.M.

Mr Master Bug outran Make Mine Cash to the wire, but was promptly disqualifed by track steward and placed third, behind Bartendress. The victory was worth $564,849 for Make Mine Cash owner R.D. Hubbard of Kingsport, Tenn. . . .

Favored Gold Banner pulled away from Rollicking Run in the stretch to win by 1 1/4 lengths in the $22,200 Majorette Handicap at Timonium. Gold Banner, ridden by Paul Nicol Jr., ran the 1 1/16th miles in 1:45. Rollicking Run finished 14 lengths in front of Montchanin Girl . . .

In Montreal, Canadian-owned Ralph Hanover, tuning up for an attempt at the last jewel of pacing's Triple Crown, took the lead at the quarter-pole and breezed home by 3 3/4 lengths over Cuckoo Clock in 1:54 to win the $411,500 Prix d'Ete at Bluebonnets Raceway.

Ralph Hanover has won 14 of 18 starts as a 3-year-old and has earned $1,486,638 this year. No harness horse has ever earned more in a single season.

Ralph Hanover went the mile in 1:54, a lifetime best and just short of the track record of 1:53.4 set by Niatross in the 1980 Prix d'Ete . . .

Speedy Bart, trained and driven by Roger Hammer, trotted a 1:59 1/5 mile to set a Freestate Raceway record. Speedy Bart, the 7-10 favorite, took the lead just past the quarter-mile pole and beat March On Windswept by three-quarters of a length March On Windswept had set the track record of 1:59 4/5 on Aug. 7th.

Boxing: Thomas Hearns, World Boxing Association junior middleweight champion, has a bone separation in his right hand and has cancelled his Sept. 9 title defense against James Green, Associated Press reported.