During the 2005 season, he played several games for the Baltimore Orioles after being called up from the Single-AFrederick Keys. He was then sent back down after nearly two weeks of action at the major league level. In 2006 and 2007, he played for the Double-ABowie Baysox.
Cincinnati Reds
The Orioles designated Fiorentino for assignment on January 2, 2008, and on January 4 he was claimed by the Cincinnati Reds.
Fiorentino joined the staff of his alma mater in the summer of 2014. He worked primarily with the outfielders, hitters, and base runners. During his one year on staff, FAU made it to the championship game of the Gainesville Regional where they were defeated by the Florida Gators.
Chipola College
Fiorentino joined the Chipola College coaching staff in the summer of 2015. He currently works primarily with the infielders, catchers, hitters and base runners. Fiorentino helped guide the Indians to back-to-back Junior College World Series championship titles in 2017 and 2018. Also during his tenure, Chipola was the first team from Region XIII since the 1960s to participate in the Junior College World Series three consecutive years by winning the state tournament from 2017 through 2019. There have been 20 players selected in the Major League Baseball Amateur Draft during his first four years on staff at Chipola.
