The Chicago Bears kicked off the preseason against the Miami Dolphins. Here's a look at the PFF grades following their 24-24 tie.

The Miami Dolphins’ 24-24 tie on Sunday against the Chicago Bears did more to solidify several players' case for a spot on the 53-man roster than insert any newcomers to the mix. After rookies and veterans all had opportunities to make their case in the opening preseason game,

The swap for Tagovailoa in favor of quarterback Zach Wilson led to the first score of the day. A deep pass to Nick Westbrook-Ikhine for 35 yards got the Dolphins deep into Bears territory. Six plays later, Mattison scampered into the end zone for the 1-yard score. The seven-year veteran finished with 8 yards on three attempts and a touchdown.