The A's won 63 games in 1955, only the fifth time in the last 20 years that they'd managed to win more than 60 games. However, the A's ended up 33 games behind the AL Champion Yankees.
The Mack family had decided to sell the Philadelphia Athletics. Future owner (when the club was in Kansas City) Charlie Finley made an offer to the Mack Family but was refused. Clint Murchison made an offer to purchase the team with plans to relocate to Southern California. On October 12, 1954, the owners approved the sale of the Athletics to Chicago businessman Arnold Johnson, who moved the team from Philadelphia to Kansas City for the 1955 season. In 1955, the new Kansas City Athletics drew 1,393,054 to Municipal Stadium.
Prior to 1955 season: Bob Davis was signed as an amateur free agent by the Athletics.