Alan Fitzmorris started his professional baseball career as a switch-hitting outfielder with Sarasota W.S. of the Florida Rookie League in 1965 and switched to starting pitcher completely in 1967, going 14-8 for Appleton of the Midwest League. The next year, 1968, he had an 11-11 record for Lynchburg and led the Carolina League in innings pitched with 214.
Originally drafted by the White Sox, Alan Fitzmorris was chosen by the Kansas City Royals in the AL expansion draft on October 15 1968 and after going 10-6 for Omaha in the first half of 1969 joined the Royals for good in late-’69. In 1970 Al Fitzmorris fashioned an 8-5 mark with a 4.42 ERA in 43 games, completing 2-of-8 starts. From 1974-76 he was one of the Royals mound masters, posting win/loss records of 13-6 with a 2.79 ERA and a career-high 4 shutouts, then 16-12 with 11 complete games, and a 15-11 record.