By Andrew Holleran Longtime college football and college basketball announcer Gus Johnson has landed a new play-by-play gig this spring. Johnson, best known for his collegiate sports calls, will be announcing some NBA playoff games this spring. Sports Media Watch shared the notable news earlier this week. “Fox Sports broadcaster Gus Johnson will call NBA playoff games for TNT this year, working alongside Greg Anthony on Raptors-Sixers Game 2 Monday night and Bulls-Bucks Game 2 on Wednesday. Johnson called some NBA Summer League games last season and has served as an occasional voice of the Mil…