Hundreds of football fans, dressed in an array of jerseys, turned out at Al Lopez Park on Sunday to run and walk ahead of the big game.

The project will combine the existing park with an undeveloped parcel to the north and Springdale Pond to the west.

Along with an up-close and behind the scenes look at JetBlue Park, fans will have an opportunity to watch the Red Sox take batting practice on the main field or on the back practice fields. In either ...