He attended Evergreen Park Community High School, where he was a two sport star in baseball and basketball.

Adduci committed to play college baseball for Northern Illinois during his senior year of high school.

[3] Now in Chicago's minor league system, Adduci split the 2007 season between the Peoria Chiefs and the Daytona Cubs.

[4] He also appeared in 20 games for Naranjeros de Hermosillo of the Mexican Pacific Winter League, where he hit for a .224 average.

He spent the 2013 season with the Triple-A Round Rock Express, and made his major league debut on September 1, 2013.

[8] On July 1, 2016, the Giants put Adduci on waivers after he tested positive for a banned substance, the pain medication oxycodone.

[11] On April 23, the Tigers recalled him from the Triple–A Toledo Mud Hens to replace the injured JaCoby Jones.

[17] With both Miguel Cabrera and John Hicks having been placed on the disabled list during the year, Adduci played the majority of his games as the Tigers' first baseman.

[20] On June 3, 2019, the Cubs designated Adduci for assignment in order to open up a roster spot for former Cleveland outfielder Carlos González.

[25] On January 15, 2025, the Arizona Diamondbacks hired Adduci to serve as the assistant hitting coach for their High-A affiliate, the Hillsboro Hops.