Alabama redshirt freshman guard Davin Cosby plans to enter the NCAA transfer portal, he tells On3, becoming the third Crimson Tide player to transfer after the 2023-24 season. Cosby played in 22 of Alabama’s 37 games this year in a reserve role, where he averaged 3.6 points per game and 34.4 percent from 3-point range. Cosby’s best game of the season came on the road at Ole Miss on Feb. 28, as he scored a season-high 15 points and made 50 percent (5-of-10) of his attempts from deep. It was one of two games he scored double-digit points and one of five contests in which Cosby made multiple shot…