1st The Nishitetsu Lions sweep the Yomiuri Giants in the Japanese WS.
7th The AP poll names Phillies P Jack Sanford its NL Rookie of the Year with 16 votes, beating out teammate 1B Ed Bouchee.
12th Frank Lane resigns as GM of the Cardinals, who replace him with Bing Devine.
14th The AP names Henry Aaron as the 1957 NL MVP with 239 votes. Stan Musial is a close 2nd with 230, and Red Schoendienst is 3rd with 221.
20th Shigeo Nagashima, a star at Rikkyo University, signs with the Yomiuri Giants for a record bonus of $69,000. He will go on to have one of the great careers in Japanese baseball.
The KC Athletics trade infielder Billy Martin, outfielders Gus Zernial and Lou Skizas, pitchers Maury McDermott and Tom Morgan, and C Charlie Thompson to Detroit. In exchange, the Tigers send outfielders Bill Tuttle, Jim Small, pitchers Duane Maas and John Tsitouris, C Frank House, SS Kent Hadley, and a player to come later.
22nd Mickey Mantle edges Ted Williams 233 to 209 votes to win the AL MVP. Williams, at 39 years of age, led the league in hitting with a .388 average, hit 38 HRs, and compiled a slugging average of .731. Red Sox owner Tom Yawkey brands the voting “incompetent and unqualified,” noting that 2 Chicago writers listed Williams in the 9th and 10th places on their ballots.
NL umpire Larry Goetz is unwillingly “retired” after 36 seasons in the ML.
26th Yoshio (Kaiser) Tanaka, an American citizen of Japanese descent, is named manager of the Hanshin Tigers. He is the first American to manage a Japanese ML team.
28th Warren Spahn of the Braves wins the Cy Young Award as ML Pitcher of the Year almost unanimously. His only competition for the title is the White Sox, Dick Donovan, who received one vote.
29th Mayor Robert Wagner forms a 4-member committee to find a replacement for the Dodgers and Giants in New York City.