Scoreboard

RECORD BREAKERS

?Pronto Don of Hayes Fair Acres raised lifetime earnings to $319,673.92, most ever won by harness horse, by finishing fourth (worth $2,500) in American Trotting Championship race at Westbury, L.I. Former champion: William H. Cane's Good Time, retired in 1952 with total of $318,-792.56.

? Russia claimed three world records for own athletes: women's 800-meter time of 2:06.6 for Nina otkolenko during meet at Kiev; women's eight-pound shot put record of 53 feet, 4.95 inches for Galina Zybina (3.15 inches better than her previous record); men's 50-kilometer walk record of 4:18:49.2 for Vladimir Ukhov.

?Pentii Karvonen of Finland set new world record for 3,000-meter steeplechase with time of 8:41.4 during German-Finnish track and field meet at Dortmund. Runner-up: Olavi Rinteenpaa of Finland, who set previous record of 8:44.4 last year.

?George Byers Jr of Columbus, Ohio drove speedboat Miss DeSoto to new world record for 7-liter class of 106.510 mph during trials of Northern Kentucky Boat Club regatta at Cincinnati. Old mark: 102.278, established last year by B. G. Bartley Sr., of Pittsburgh.

BOXING

CHAMPIONS? Rocky Marciano retained heavyweight championship of world by knocking out Ezzard Charles, former champion, with left hook and right cross to jaw in 2:36 of eighth round at Yankee Stadium.

? Robert Cohen of France sprained right hand in fifth round but held on to win world bantamweight title with 15-round split decision over Chamrern Songkitrat of Thailand before 60,000 spectators at Bangkok.

BASEBALL

IN FREE? Cleveland Indians beat Detroit Tigers 3-2 to clinch American League pennant. Winning pitcher: Ray Narleski , who relieved Early Wynn in seventh inning. Indians beat Tigers again on following day for 10th straight victory, and at week's end needed only two more wins for season to tie all-time league record of 110.