By Matt Hladik Los Angeles Rams wide receiver Cooper Kupp walked home with the Super Bowl MVP award last night, but there were some people who thought the honor should have gone elsewhere. Former longtime NFL executive Bill Polian is one of them. In an appearance on Adam Schefter’s podcast today, Polian said he thought Kupp’s teammate Aaron Donald should have been the MVP. Donald, the Rams’ superstar defensive tackle, finished with four tackles, two sacks and three quarterback hits. On the Bengals’ final two plays of the game, Donald stopped running back Samaje Perine on a 3rd-and-1 for no gai…