The Indianapolis Colts and Buffalo Bills are set to square off Saturday to begin the preseason with an afternoon matchup at Highmark Stadium.
While the preseason is more about getting ready for the season, part of that process is sifting through the position battles that have already been taking place throughout training camp.
These three preseason games are crucial for players vying for prominent roles and roster spots, and it all starts Saturday against the Bills.
Here are seven position battles to watch in the preseason opener: