2015 (Junior Season):  Appeared in five games this season at defensive back...Made six defensive stops with three solo tackles and three assisted tackles...Had season-high three tackles (two solo) and his only pass breakup at fifth-ranked Shepherd in season finale.

2014 (Sophomore Season):  Crosby appeared in 10 games, and started in five...He recorded 22 tackles (14 solo, eight assisted) mostly playing CB... Jalen also had eight pass breakups through the season...Against UVa-Wise on Sept. 6, Crosby recorded 6 tackles, 0.5 tackles for loss of 2 yards, and 3 pass break-ups...He had one kick return for 20 all purpose yards...Switched from #5 to #21 before the season.

2013 (Redshirt Season): Sat out his second season at Urbana.

2012 (Freshman): Appeared in all 11 games this season...Jalen ranked eighth on the team in tackles with 51 (33 solo, 18 assisted)...Ranked first on the team in pass breakups with 10...He also tied for second in INTs with one for a 19 yard return...Jalen also had one fumble recovery this season...On Sept. 1 he recorded his personal best number of tackles per game, with 11 (six solo, five assisted).

High School: Eastmoor won the Columbus City League South Division and went to the State Playoffs where they finished as the Regional runner-up...Crosby earned second team All-City, first team All-District and was named Eastmoor's WR of the Year.