Walker's announcement comes as “SNL” creator Lorne Michaels is saying that he anticipates changes following the show's historic 50th season. No cast members had announced their departure following the season's conclusion. In an interview with Puck that ran last week, Michaels answered “yes” when asked if he expected to “shake things up.”

Lorne Michaels has some big plans for "Saturday Night Live" Season 51. In an August interview with Puck News, the "SNL" creator talked about the future of the hit show, which has been running since 1975, and said he plans on shaking up the cast for the new season.