One set to catch Flashman according to a ventriloquist? (5)

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

Harry Flashman, in the novel Tom Brown’s School Days by Thomas Hughes, is a school bully. A ventriloquist’s pronunciation of BULLY, in which the sounds B and P are problematic and need to be faked, might sound closer to GULLY. In cricket, a player standing in a catching position to the side of the batter.