Iowa made a change at quarterback in the middle of the second quarter against Northwestern on Saturday, benching Cade McNamara for backup Brendan Sullivan. Sullivan is a Northwestern transfer. Precipitating the quarterback change was likely a pick-six thrown by McNamara the series prior, which ended an Iowa drive deep in Wildcats territory and put the Hawkeyes in a 7-3 hole. Iowa punted on Sullivan’s first two series under center, but did score via a safety in between, making it a 7-5 game. JLAB has the best audio products in the game – and they’re ready to take care of you this football seaso…