The Buffalo Bills look to continue their preseason success on Saturday as they’ll host the Denver Broncos in their second exhibition contest of the 2022 NFL Season. While Buffalo squeaked out a last-minute victory last week against the Indianapolis Colts and this week, the team hopes to get more clarification on some key roster battles with cutdown day looming. Most of the Bills’ starters are set in stone but competition for a handful of meaningful roles and roster spots are still up for grabs, meaning that this game will have serious ramifications for many players looking to crack the final 53-man roster. Here are the four biggest storylines we’ll be following as Buffalo looks to improve their preseason winning streak to 10 games. Josh Allen’s debut Head coach Sean McDermott spoke to the media Thursday and announced that Josh Allen, along with most of the Bills’ starters will take the field against Denver. “I’m not going to get into how much they’ll play, but I’ll say that the starters will play a healthy amount,” said McDermott. “What quarter, I couldn’t really tell you right now, but I’ve got a decent feel and we’ll see how the game goes. And that…