Crews-Dezurn lost to Mary Spencer in the quarter final of the 2011 Pan American Games at light heavyweight. In the 2012 AIBA Women's World Boxing Championships Crews-Dezurn boxed at light heavyweight. She beat Sabrina Delarue, Dariga Shakimova and Timea Nagy to reach the final. In the final Crews-Dezurn lost to Yuan Meiqing. That meant Crews-Dezurn got a silver medal.
In the 2016 AIBA Women's World Boxing Championship Crews-Dezurn boxed at light heavyweight. She beat Flavia Severin and Maria Kovacs to reach the semi final but lost to Yang Xiaoli so Crews-Dezurn got a bronze medal.
On September 14, 2019, in a rematch against Cornejo, Crews-Dezurn retained the WBC super middleweight title and won the WBO title, defeating her rival in ten rounds by unanimous decision.[4]
On January 11, 2020, Crews-Dezurn fought Alejandra Jimenez. After 10 rounds, Jimenez was declared the winner, by split decision. However, on February 10, 2020, the result of the fight was changed to a "no decision," due to Jimenez having failed a pre-fight PED test. In March 2020, the WBO stripped Jimenez of their belt, and then, In June 2020, the WBC did the same. Both organizations also reinstated Crews-Dezurn as champion.[5]
In April 2022 she defeated Elin Cederroos by unanimous decision at Madison Square garden to win the WBA and IBF super middleweight titles. This meant Crews-Dezurn became undisputed super-middleweight champion.
Crews-Dezurn attempted to defend her undisputed super-middleweight title against Savannah Marshall at the Manchester Arena on July 1, 2023, losing the fight by majority decision.
After the WBC declared Marshall the champion-in-recess, Crews-Dezurn will fight mandatory title challenger Shadasia Green on December 15, 2023.
Outside boxing
Growing up Crews-Dezurn wanted to be a singer.[6] Before she became a professional boxer she was a contestant on American Idol.[6] She has recorded songs in the studio. In the music industry she is referred to as Franchon Heavy Hitting Diva.[7]