This article was originally published on www.si.com/nfl/bills as QBs Mitch Trubisky, Mike White impress in battle for Bills' backup job vs. Giants. Many fans remember a time when the Buffalo Bills went into preseason games not knowing who the starting quarterback would be, nevermind the backup.

The Buffalo Bills faced some drama in their preseason opener on Saturday. Running back James Cook warmed up with the team but did not play as he seeks a new contract entering the final year of his rookie deal.

The Buffalo Bills kicked off their preseason in defeat against the New York Giants. Of course, though, the win-loss record isn't important in August, it's the individual performances Buffalo is paying attention to, and they had no shortage of standout performances on Saturday. Here are the big winners from Week 1 of the preseason.

Despite suffering a loss to the New York Giants, these 4 Buffalo Bills players improved their standing during the first preseason game.

The Buffalo Bills will be without quarterback Josh Allen for their first preseason game on Aug. 9, which should be a sweltering one. It will be the last first preseason game at Highmark Stadium when the Bills take on the New York Giants.