Jim Harbaugh's full 49ers squad hits the field in Santa Clara to start training camp Thursday, which is Day 1 of another planned gallop into the playoffs.
Five former NFL players, including six-time Pro Bowl defensive end Neil Smith, are suing the union for not providing accurate information about the risk of head injuries.
The NFL will limit the number of underclassmen who can receive evaluations for the draft to five from a single school, although special exceptions will be allowed.
The NFL draft is leaving New York after 49 years.
Former coaching greats John Madden and Marv Levy will highlight the list of seven presenters during the Pro Football Hall of Fame induction ceremonies.