Killins was born and grew up in Daytona Beach, Florida and attended Mainland High School, where he played football and ran track. Killins was a two-time state champion in the 200 meters and was the runner-up in the 100 meters as a senior.[1]
College career
Killins was a member of the UCF Knights for four seasons. He was named second-team All-American Athletic Conference (AAC) after his junior season when he rushed 147 times for 715 yards and eight touchdowns and had 19 receptions for 377 yards and four touchdowns.[2] As a senior, Killins rushed for 629 yards and seven touchdowns and caught eight passes for 120 yards and one touchdown and was again named second-team All-AAC.[3] Killins finished his collegiate career with 2,459 rushing yards and 25 rushing touchdowns.[4]
Professional career
Philadelphia Eagles
Killins was signed by the Philadelphia Eagles as an undrafted free agent following the 2020 NFL draft on April 25, 2020.[5] He was waived on September 3, 2020, during final roster cuts, but re-signed to the team's practice squad three days later.[6][7] He was promoted to the active roster on October 3, 2020.[8] He was waived on October 5[9] and subsequently re-signed to the practice squad two days later.[10] He was released from the practice squad on November 9,[11] but re-signed to the practice squad again on November 17.[12] He was released again on November 24,[13] and re-signed to the practice squad again on December 11.[14] He was placed on the practice squad/COVID-19 list by the team on January 2, 2021.[15] His practice squad contract with the team expired after the season on January 11, 2021.[16]
On March 17, 2021, Killins signed with the Eagles on a two-year contract.[17] He was waived on August 14, 2021.
Denver Broncos
On August 17, 2021, Killins was signed by the Denver Broncos.[18] He was waived/injured on August 24 and placed on injured reserve.[19]
Houston Roughnecks
On November 17, 2022, Killins was drafted by the Houston Roughnecks of the XFL.[20] He was released on March 15, 2023.[21]