Larry Bird becomes the fifth player in NBA history to score 20,000 points with 5,000 assists in the Celtics' 123-95 rout of the Bullets at Boston Garden.
Walter Payton becomes the first NFL player to accumulate 20,000 all-purpose yards, reaching his milestone in the Bears' 20-7 victory over the Oilers in Houston.
The Giants' Willie Mays hits his 600th home run; only Babe Ruth had reached the milestone previously.
Carl Yastrzemski is the only American League player to get 3,000 hits and 400 homers when he singles in Boston's 9-2 win over the Yankees at Fenway Park.
Ernie Banks becomes the 11th player to hit 400 homers, reaching the milestone off the Cardinals' Curt Simmons in the Cubs' 5-3 victory at Wrigley Field.
The Mets' Tom Seaver gets his 200th strikeout, setting a record for more than 200 strikeouts in eight consecutive seasons. He becomes a 20-game winner for the fourth time with a 3-0 win over the Pirates at Shea Stadium.
Boston's Cy Young wins his 500th game, a 5-2, 11-inning victory over Washington.
Eddie Arcaro becomes the first American-born jockey to ride 3,000 winners, reaching the milestone aboard Ascent at Arlington Park.
Christy Mathewson becomes the first pitcher to win 300 games all in the 20th century.
Honus Wagner becomes the first 20th-century player to reach 3,000 hits with a double in the ninth inning of the Pirates' 3-1 loss to the Phillies in Philadelphia.
Hank Aaron singles to become the first player to get 3,000 hits and 500 homers.
Stan Musial gets his 3,000th hit, a pinch hit double off the Cubs' Moe Drabowsky in the Cardinals' 5-3 victory at Wrigley Field.
Hoyt Wilhelm becomes the first pitcher to appear in 1,000 games. He blows a two-run lead and the Braves lose to the Cardinals, 6-5, in Atlanta.
Blackhawks center Stan Mikita becomes the eighth member of the NHL's 500-goal club when he scores during a 4-3 loss to the Canucks in Chicago.
Bobby Hull becomes the third player to score 500 goals (Rocket Richard and Gordie Howe are the first two) in the Blackhawks' 4-2 win over the Rangers at Chicago Stadium.
Wilt Chamberlain becomes the first in NBA history to score 30,000 points.