BOWLING—Don Bartz, 30-year-old Milwaukee lithographic color artist, who rolled 1,708 for 8-game series last April 27, won $20,000 first prize in Petersen Bowling Classic, Chicago.
BOXING—Billy Besmanoff, fighting out of crouch, poked way to 10-round upset win over Mike DeJohn, heavyweights, Milwaukee.
Joey Giardello, 1-round KO over Del Flanagan, middleweights, St. Paul.
Louis Manuel Rodriquez, unbeaten Cuban welterweight, punished ex-Champion Virgil Akins, won 10-round decision, Miami Beach.
Florentino Fernandez, another invading Cuban welterweight, scored 7-round TKO over Stefan Redl, New York.
GOLF—DOUG FORD, Paradise, Fla., came in with last-round 70 for 276 total to win Canadian Open by two strokes for first victory of year, Montreal.
Henri De Lamaze, France, over Paul Coste, American now living in France, 9 and 7 in 36-hole final to win sixth straight French Amateur, Paris.
Jim King shot 282 for 72 holes to win individual title, led Western Illinois to NAIA team championship, Quincy, Ill.
Judy Eller, U. of Miami sophomore from Old Hickory, Tenn., over Julie Hull, Purdue, 3 and 2, for women's natl. college title, Chapel Hill, N.C.
Larry Sears, 16, Waycross, Ga., sr. boys' title, with 1-under-par 141 for 36 holes; MARTHA KOSAR, 14, Cuyahoga Falls, Ohio, sr. girls' title, with 192 for 36 holes, Natl. Pee-Wee championships, Orlando, Fla.
HARNESS RACING—BYE BYE BYRD: $40,750 Good Time Pace, 1 m. by½ length, in 1:59 3/5, Yonkers (N.Y.) Raceway. Clint Hodgins, driver.
HORSE RACING—HONEYS GEM: $58,150 Beverly H., 1 m., by head over Indian Maid, in 1:34, Washington Pk. Johnny Longden up.
WALTZ: $44,900 Leonard Richards St., 1‚⅛ m., by 5½ lengths over Open View, in 1:49 3/5, Delaware Pk. Sammy Boulmetis up.
ONE-EYED KING: $35,000 John R. Macomber Memorial H., 1½ m., by head over Noureddin, in 2:37 2/5, Suffolk Downs. Manuel Ycaza up.
ON-AND-ON: $32,510 Ohio Derby, 1‚⅛ m., by 7 lengths over Sir Hawley, in 1:49 2/5, Thistledown. Steve Brooks up.
WALLABY II: Ascot Gold Cup and $30,660 prize, 2½ m., by nose over favored Alcide, in 4:34, Ascot, England. Fred Palmer up.
Atesa, 6-year-old mare, sprinted 7 furlongs in 1:23 for new world turf record at Waterford Pk., Chester, W.Va. Rollin Reynolds up.
HORSE SHOWS—PIERO D'INZEO, Italy, accumulated only 8 penalty pts. in four trials, rode off with European equestrian championship, Paris.
MOTORCYCLE RACING—BRAD ANDRES, San Diego, bounced bike 100 miles in record 1:42:59, won natl. championship road race, Laconia, N.H.
SWIMMING—MIKE TROY, Indianapolis, covered 110-yd. butterfly in 1:01.4 to break world record; TROY, ALLEN SUMMERS, PETE SINTZ and FRANK BRUNNELL, Indianapolis, thrashed 400-meter freestyle relay in 3:55.6, FRANK MCKINNEY, Indianapolis, bustled 110-yd. backstroke in 1:04.4, and CARIN CONE, Ridgewood, N.J., swam 100-yd. backstroke in 1:07.1 to lower U.S. marks, Louisville.
TENNIS—PANCHO GONZALES, over Frank Sedgman, 6-1, 6-4, 6-1, to win pro tournament and $2,500, Toronto.
Bill Lenoir, 17-year-old from Tucson, used two-handed swing to beat John Karabasz, Coral Gables, 6-1, 3-6, 7-5, 6-3, for national scholastic championship, Charlottesville, Va.
TRACK & FIELD—IRENE OBERA, San Francisco, ran 50 meters in 6.4 to equal American record, Western U.S. meet, Oakland, Calif.
MILEPOSTS—RETIRED: CARL ERSKINE, 32, crafty little Dodger right hander who pitched two no-hitters, once struck out 14 Yankees for World Series record and won 122, lost 78, but of late has been forced to rely on junk instead of crackling curve and buzzing fast ball; called it quits just 28 days short of becoming 10-year man, at Los Angeles. Muddling about with 0-3 record, Erskine decided he "can't give 100% any more," sadly observed: "When your time comes, the decision is not too hard to make. You know what's right."