Over 50,000 Bills Mafia members had a chance to see inside the new Highmark Stadium for the first time during the Buffalo Bills' Return of the Blue/Red Practice on Saturday, and it was not all great news. Bills Fans Have Major Concern Over Views At Highmark StadiumWhile a majority of posts on social media were raving about the new home of the Buffalo Bills, there were select fans who didn't get the experience they had hoped for. READ MORE: HERE IS HOW TO WIN TICKETS TO THE BUFFALO BILLS REGULAR SEASON HOME OPENER AGAINST THE DETROIT LIONSSaturday's Return of the Blue/Red practice was open to PSL and Season ticket holders, and some fans were not happy with their views from their seats. Check out some posts that unhappy fans posted over the weekend. Get our free mobile appFans will get another chance to see the stadium on Saturday as the Bills host the Carolina Panthers in their first preseason game of the season.