The Miami Dolphins excelled early and fell apart late in a 24-24 tie with the Chicago Bears on Sunday. As far as preseason results go, that's a pretty encouraging outcome. It was the Dolphins starters who looked sharp against the Bears.

Here are the best and worst from the PFF grades for the Bucs ' win over the Tennessee Titans. LB SirVocea Dennis 39.5 LB SirVocea Dennis 69.9 LB SirVocea Dennis 30.4 Edge Anthony Nelson 49.1 DB Christian Izien 55.2

The San Francisco 49ers were blown out in their preseason opener by the Denver Broncos. Here's how PFF grades some of their best and worst performers.