Provoke first of revellers to punch bouncer? (7)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

First letter of R [evellers], inserted into (punching) TIGGER (a character in A A Milne’s Winnie the Pooh stories, known for being bouncy). For the surface, has Hoskins been reading recent stories about the England men’s cricket team? Trigger, as a verb = provoke = cause an adverse reaction.