With much speculation about who will take over the starting center job, rookie lineman Tate Ratledge has emerged as the favorite to begin camp.

Trainers attended to Rakestraw on the sideline before taking him inside and off the field, walking tight to his side helping him to the back.

The NFL season is underway. The road to San Francisco for Super Bowl 60 begins in the grueling summer heat. Some teams have new coaches. A couple of old coaches have new teams. Star players have switched uniforms. There are position battles to determine. And, plenty of storylines to watch.

With NFL training camp season upon us, Kevin Patra provides a refresher on the Detroit Lions' roster changes, position battles and notable subplots.

Left tackle Taylor Decker is recovering from offseason shoulder surgery and will miss the Lions' first preseason game.

This week coming, training camp will officially begin for every team in the NFL, although the Chargers have already gotten the summer off and running due to their participation in

ALLEN PARK -- Second-round picks have started signing their deals around the NFL after flirting with holdouts as training camps begin, and that is very good news for the Detroit Lions.