1st Sandy Koufax becomes the first 3-time winner of the Cy Young Award. He is a unanimous winner for the 2nd-straight year. This is the last year that only one award is given for pitchers in both of the MLs.
4th Maury Wills leaves the Los Angeles club touring Japan, complaining that his injured right knee needs immediate treatment in the U.S. But Maury stops off in Hawaii and a few days from now is spotted in a nightclub there playing banjo. On December 1, the Dodgers will send Maury to Pittsburgh.
8th Frank Robinson of the Orioles is the unanimous choice as AL MVP. He is the first player to win the award in both leagues. Teammates Brooks Robinson and Boog Powell follow in the voting, the third time this has happened in MVP voting.
12th The Dodgers complete an 18-game tour of Japan with a 9-8-1 record, the most losses ever for a ML club touring the Far East.
14th George Weiss resigns as Mets president and is succeeded by Bing Devine.
16th Pirate OF Roberto Clemente is named MVP in the NL. He edges Koufax by 10 votes.
18th Sandy Koufax announces his retirement, due to increasing pain in his arthritic left elbow.
23rd Chicago OF Tommie Agee is voted AL Rookie of the Year, gathering 16 of the 18 votes. Kansas City P Jim Nash gets the other 2. Agee had been brought up briefly the past 4 seasons before finding a permanent spot this year.
25th Cincinnati IF Tommy Helms is voted NL Rookie of the Year.
28th The Pirates purchase P Juan Pizarro from the White Sox, completing a deal that sends P Wilbur Wood to Chicago. The knuckleballing Wood was 14–8 for Columbus in 1966 after going 1–3 for the Pirates over the previous 2 years. He will appear in 578 games for the Sox winning 163 games.
29th The Mets trade 2B Ron Hunt and OF Jim Hickman to the Dodgers for 2-time batting champ Tommy Davis and OF Derrell Griffith.
The Yankees trade 3B Clete Boyer to the Braves for OF Bill Robinson and 39-year-old pitcher Chi Chi Olivo.
A circuit court jury in Chicago awards Jim Brewer $100,000 in damages stemming from his 1960 on-field fight with Billy Martin.