3rd Roy Sievers ends his holdout and signs with the Senators for $35,000, the highest contract in franchise history. The slugger hit 39 homers and drove in 108 runs last year. Bucky Harris had signed a 3-year managerial contract with the Nats for $100,000.
4th Another holdout folds his cards as Bob Cerv agrees to terms with the Kansas City Athletics for a reported $32.500.
5th Duke Snider, Johnny Podres, and Don Zimmer suffer minor injuries in an auto accident in Vero Beach, FL, as they try to beat a 12:30 a.m. curfew. This is the third accident in 2 months involving Dodger players; Jim Gilliam and his family had an accident shortly after Roy Campanella’s.
11th Starting this season, AL batters will be required to wear batting helmets.
18th In a move to change their image, the Dodgers announce that clown Emmett Kelly will not perform in 1958.
20th The Phillies acquire 1B Joe Collins from the Yankees. He decides to retire rather than report, thereby canceling the deal.
21st The White Sox obtain OF Don Mueller from the Giants for cash. Mueller hit .298 in his 10 years with the Giants.
25th Led by 5 RBIs from Ernie Banks, the Cubs score 12 runs in the 1st inning against the Indians in a Mesa, AZ, Cactus League game. Dale Long has a pair of doubles as Chicago beats up Don Mossi, Don Schaeffer and Hal Woodeshick. The final is 13-8.
31st The Indians trade OF Gene Woodling, the versatile Dick Williams, and P Bud Daley to the Orioles for OF Larry Doby and LHP Don Ferrarese. For Doby, Williams, and Woodling, it is their second tour of duty with their new teams.
Milwaukee purchases P Dick Littlefield from the Cubs. The well-traveled pitcher will be wearing his 10th and last ML uniform, as he goes 0–1 for the Braves.