Alexander was drafted by the Washington Redskins in the sixth round of the 2018 supplemental draft.[2]
Alexander was waived on August 31, 2019, but was signed to the practice squad the following day.[3][4] He was released on October 1, 2019.[5]
Los Angeles Rams
On November 14, 2019, Alexander was signed to the Los Angeles Rams practice squad.[6] He signed a reserve/future contract with the Rams on December 31, 2019.
On January 4, 2021, Alexander signed a reserve/future contract with the San Francisco 49ers.[8] Alexander was waived on May 4, 2021.[9]
New Orleans Saints
On August 4, 2021, Alexander signed with the New Orleans Saints.[10] He was waived/injured and placed on injured reserve on August 18, 2021.[11] He was waived on August 21.
New Orleans Breakers
Alexander was selected in the 8th round of the 2022 USFL draft by the New Orleans Breakers.[12] He was transferred to the inactive roster on April 22, 2022.[13] He was transferred to the active roster on April 30.[14]
Alexander re-signed with the Breakers on October 3, 2023.[15] The Breakers folded when the XFL and USFL merged to create the United Football League (UFL).[16]