By Kyle Fredrickson, Staff Writer, kfredrickson@oklahoman.comSTILLWATER — This time last season, Jalen McCleskey watched his first Oklahoma State spring scrimmage from the sidelines inside the Sherman E. Smith Training Center. McCleskey and his father, J.J., made the trip from Louisiana to mingle with future teammates when the pair was introduced to receiver David Glidden. “First impression?” Glidden said of the incoming prospect.Read more on NewsOK.com