Mullaney committed to Oregon State and then transferred to Alabama totaling 10 touchdowns throughout his career.[1] He caught 38 passes for 390 yards and a career high 5 touchdowns as a senior en route to a National Championship with the 2015 Alabama Crimson Tide football team.
Professional career
Houston Texans
On May 6, 2016, Mullaney went undrafted and signed with the Houston Texans, but was waived on July 25, 2016.[2][3]
Dallas Cowboys
On August 16, 2016, Mullaney was signed by the Dallas Cowboys, only to be waived on August 30, 2016.[4][5]
Cleveland Browns
On June 12, 2017, Mullaney was signed by the Cleveland Browns.[6] He was waived on September 1, 2017, during roster cutdowns.[7]
Arizona Hotshots
In 2018, Mullaney signed with the Arizona Hotshots for the 2019 season.[8] The league ceased operations in April 2019.[9]
DC Defenders
During the 2020 XFL Draft in October 2019, Mullaney was selected by the DC Defenders in the open phase.[10] He was placed on a reserve list before the start of the regular season and waived on February 18, 2020.[11]