Collier saw limited playing time in his two seasons with Nassau, where he was a fourth-string running back.[3] He totaled 78 rushing yards as a freshman in 2018 and 270 rushing yards with a touchdown in 2019; he also caught five receiving touchdowns in 2019.[5] In 16 total games played for Nassau, he ran for 348 yards, had 184 receiving yards and scored six touchdowns.[6]
Collier had an offer to continue his college football career with the NCAA Division I FCSWagner Seahawks and transferred there in 2020.[3] He ran for 83 yards in two games during the COVID-19-shortened spring 2021 season and ran for 168 yards in six games during the fall 2021 season.[7] However, he battled concussions early during his time at Wagner, at one point having sustained three in a six-game span.[3] He ran for 86 yards in three games during the 2022 season and then transferred to the NCAA Division IILock Haven Bald Eagles for the 2023 season.[3][7]
Collier had a breakout season with the Bald Eagles in 2023, playing 11 games while running for 1,393 yards and 12 touchdowns and recording 22 receptions for 238 yards and three touchdowns.[8] He helped Lock Haven to its best season since 1982 and broke the school's all-time single-season rushing yards record, receiving numerous honors including being a nominee for the Harlon Hill Trophy as the best player in the NCAA Division II.[3][9][10] He was a three-time conference player of the week and was named first-team All-Pennsylvania State Athletic Conference (PSAC), first-team Division II All-American, D2CCA second-team All-Region, to the DII Elite 100 team and was named the PSAC Offensive Player of the Year.[3][8]
Professional career
Collier impressed at his pro day, with a 4.48-second 40-yard dash and a 6.78 three-cone drill, each being better than any running back at the NFL Scouting Combine.[3] After going unselected in the 2024 NFL draft, he signed with the Baltimore Ravens as an undrafted free agent, being given a three-year, $2.8 million contract.[10][11] In preseason, he saw action as a running back and kick returner, recording 28 rushes for 104 yards and two receptions.[10] He was waived by the Ravens on August 27, 2024, and re-signed to the practice squad the following day.[10] He was elevated to the active roster for the team's Week 3 game against the Dallas Cowboys and made his NFL debut in the 28–25 win, appearing on one special teams snap.[12][13][14] He became only the third Lock Haven alumni ever to play in the NFL, as well as the first since 1987.[15]