The Pirates bounced back last week with an impressive win over Iowa. The defense, which struggled against Green Bay, played lights out last week. Led by Lukas Denis’ three interceptions, the Pirates shut down the Barnstormers. The expansion Vegas Knight Hawks visit Worcester. Despite being 2-4, the Knight Hawks have been competitive. Here are three keys for the Pirates. 1. Bennifield is Back: Quarterback Alejandro Bennifield is back after missing…