During his time in college at the University of South Alabama, he was a two-time All-American and named to the All-Sun Belt Conference team each year.

Unfortunately for Mordecai, the Braves had Mark Lemke at second base, Chipper Jones at third and Fred McGriff at first preventing him from getting more than a reserve role with the team.

Mordecai was the Braves' starting third baseman on opening day 1996, though only because Chipper Jones was on the DL with an injury.

Mordecai's inability to stay consistent while a member of the Braves frustrated the front office and, in 1998, he joined the Montreal Expos.

Mordecai's subsequent three-run double blew the game open, highlighting the Cubs' historic collapse in what is sometimes referred to as simply "The Inning".

On June 1, 2004, Mordecai again filled the role as emergency catcher, this time for eight innings after Ramón Castro was injured.

On September 29 2004 Mordecai while playing third base caught the final out of the Montreal Expos final home game preserving a 9-1 Marlins win over the Expos Mordecai took a job as manager with the Marlins minor league affiliate Jamestown Jammers in December 2004.

[citation needed] In 2010, Mordecai was hired by the Toronto Blue Jays as a minor league infield coordinator.

[4] Mordecai currently works at Northside Methodist Academy, where he is the athletic director, coaches baseball, and teaches history.