Chicago Bears head coach Matt Nagy said he will take an aggressive approach to playing time in the preseason, and rookie quarterback Justin Fields is "going to get a healthy amount of reps." Fields is expected to open his first season in the NFL as the backup to veteran Andy Dalton, but the rookie will have plenty of chances along the way to prove that he's the better option in 2021. Dalton will have a short leash as well, so it's a good bet that Fields will be making starts at some point this...