Kansas City Chiefs WR De’Anthony Thomas has not been involved in trade talks with the San Francisco 49ers, according to Chiefs general manager John Dorsey.

Kansas City Chiefs LB Justin Houston (knee) did not re-injure his knee when he returned to action in the playoff win over the Houston Texans in January, according to general manager John Dorsey. Houston had surgery to fix an anterior cruciate ligament in his knee in March. Houston was dealing with a hyperextended knee in the playoffs.

Free-agent DT Terrance Knighton (Redskins) is visiting the Washington Redskins Tuesday, March 29, according to a source.

Free-agent WR Anquan Boldin (49ers) is visiting the Washington Redskins Tuesday, March 29, according to sources.

Free-agent DT Mike Martin (Titans) recently visited the Pittsburgh Steelers.

Florida State CB Jalen Ramsey, listed at 6-1, 209 pounds, looked smooth and athletic during his pro day Tuesday, March 29. He did not run the 40-yard dash (4.41 seconds at the NFL Scouting Combine) or participate in the vertical jump (41.5 inches) or broad jump (11-3).

Ohio State QB Cardale Jones is scheduled to have private workouts with the Buffalo Bills and Arizona Cardinals.

Free-agent DE Jack Crawford (Cowboys) will visit with the Pittsburgh Steelers this week.

Free-agent DE Jack Crawford (Cowboys) will visit with the Pittsburgh Steelers this week.

Free-agent CB Darrin Walls (Jets) signed an undisclosed deal with the Detroit Lions Tuesday, March 29.