You can teach positioning, rebounding, footwork, shooting dynamics, defense, etc. You can't teach 7'1". Also, he doesn't have to play a minute his freshman year. Redshirt him his freshman year so he's, in effect, a 2019, as redshirting Johnson has made him, in effect, a class 2018 instead of 2017. According to Pike, Johnson has made great strides, both physically and basketball wise during his redshirt year.