The transfer portal is open for business. From April 16 through April 30, college football players can seek out greener pastures by submitting their names into the transfer portal. Bookmark this post as Kentucky Sports Radio continuously provides roster updates over the next two weeks. The spring window is shorter than its December counterpart. Most players are settling in for the next season, but there will be roster attrition as depth charts take shape following spring practice. Thirteen players from last year’s Kentucky football team left the team in December. Two players, Shamar Porter and…