Carolina Panthers DT Vernon Butler (knee) tweaked his left knee running downfield Tuesday, May 24, but he is trying to walk it off.

Buffalo Bills WR Sammy Watkins (foot) is expected to be ready for Week 1, but the team doesn’t have a target date for his return set, according to general manager Doug Whaley.

Buffalo Bills WR Sammy Watkins (foot) is expected to be ready for Week 1, but the team doesn’t have a target date for his return set, according to general manager Doug Whaley.

Baltimore Ravens RB Lorenzo Taliaferro, RB Terrance West and RB Trent Richardson are likely to compete for one roster spot in training camp.

Kansas City Chiefs CB Phillip Gaines (knee) may not participate in offseason workouts because he is still recovering from a torn anterior cruciate ligament.

Denver Broncos DT Adam Gotsis (knee) should be ready to participate once training camp begins. Gotsis is expected to be part of the defensive line rotation in 2016.

Denver Broncos DT Adam Gotsis (knee) should be ready to participate once training camp begins. Gotsis is expected to be part of the defensive line rotation in 2016.

Houston Texans OT Duane Brown (quadriceps) was in attendance for organized team activities Monday, May 23, but did not participate in practice.

Pittsburgh Steelers WR Eli Rogers is not guaranteed a spot on the final roster, but he could receive some work as a slot receiver. The team was high on Rogers before the 2015 season but suffered an injury during the preseason.

Pittsburgh Steelers TEs Ladarius Green and Jesse James may both be on the field at the same time in the red zone because of their height.