‘SNL’ takes on cast shake-up, Armie Hammer in so-so premiere
When “Saturday Night Live” returned this weekend for its 48th season, the grandaddy of all sketch shows ripped itself apart before anyone else could. In a cold open, host Miles Teller and cast member Andrew Dismukes played Peyton and Eli Manning, hosts of ESPN’s “ManningCast.” But instead of a play-by-play commentary on “Monday Night Football,” they critiqued the premiere episode’s opening sketch.“Let’s see what they spent the entire summer coming up with,” they said, watching the skit-inside-a-sketch — a purposely wooden…