Comedian Devon Walker has announced his exit from “Saturday Night Live” after three seasons, just days after creator Lorne Michaels teased a Season 51 cast shakeup. Walker, 34, shared the surprising news on Instagram Monday night. He compared his job on the NBC sketch comedy show to a relationship, and admitted that it was “toxic” at times.

Marc Maron recently appeared on “Pod Save America” (via Vulture) and doubled down on his criticisms of Bill Maher. While the “WTF” host acknowledged that he joined Maher on HBO’s “Real Time” three times in the past, he has since turned on Maher in recent years. Maron already called Maher out earlier this summer for …