As a freshman in 2013, he led all NCAA major college players with an average of 36.4 yards per kickoff return.[5] Against the #2 Auburn Tigers in the 2014 BCS National Championship Game, with the Seminoles trailing 24-20, Whitfield returned a kickoff from Cody Parkey 100 yards for a go-ahead touchdown in the fourth quarter.[6] His 36.4 yard average broke the Atlantic Coast Conference record and was the seventh best average in NCAA major college history.[4] Through the first nine games of the 2015 season, Whitfield had caught 40 passes for 482 yards. He caught nine passes for 172 yards against Louisville on October 17, 2015.[3][7]
Whitfield signed with the Chicago Bears as an undrafted free agent on May 11, 2017.[9] On May 14, 2017, he was waived by the Bears.[10]
Cincinnati Bengals
On July 29, 2017, Whitfield signed with the Cincinnati Bengals.[11] He was waived on September 2, 2017 and was signed to the Bengals' practice squad the next day.[12][13] He signed a reserve/future contract with the Bengals on January 1, 2018.[14]
On September 1, 2018, Whitfield was waived by the Bengals and was signed to the practice squad the next day.[15][16] He signed a reserve/future contract with the Bengals on December 31, 2018.[17] He was waived on July 25, 2019.
Whitfield signed with the Dallas Renegades on March 9, 2020.[20] He had his contract terminated when the league suspended operations on April 10, 2020.[21]