Lee Petty, 44, placed only 10th at NASCAR race at Martinsville, Va. but pushed his point standings, with only four races left, to an unbeatable 11,056, clinched the NASCAR Grand National title for third time.

Arthur Knapp Jr., of Larchmont, N.Y., skipper of 12-meter Weatherly in America's Cup trials last year, put his hand to the tiller of the 5.5-meter Quest and sailed off with national 5.5-meter title at Oyster Bay, N.Y.

Bruce Cudd, member of the Walker Cup team in 1955 and now Navy lieutenant j.g., swung his way to a two-under-par 286 for 72 holes against his fellow sailors for the all-Navy title at Pensacola, Fla.

Mrs. H. F. Flippin, of Ardmore, Pa., became first in history to win the U.S. Senior Women's Golf championship for fifth time when she posted a 36-hole total of 156 over the Westchester Country Club course.

William De Witt, 57, who got his start in baseball selling peanuts at Sportsman's Park in 1914, later became part owner and president of Browns, was named president of Detroit Tigers, replacing Harvey Hansen.

Harvey Sterkel, 25, lanky pitcher for the Aurora (Ill.) Sealmasters, hurled his team to World Softball title over Clearwater (Fla.) Bombers when he pitched eight winning games, three on final day, at Clearwater.

W. J. Beattie, horse owner and breeder, unable to pick the best of his five 2-year-olds, in unprecedented decision ran them all in New England Futurity at Rockingham Park, N.H. The five placed 2, 3, 4, 5, 6.