ATLANTA, GA - DECEMBER 18: Colin Kaepernick #7 of the San Francisco 49ers looks on from the sidelines during the second half against the Atlanta Falcons at the Georgia Dome on December 18, 2016 in Atlanta, Georgia. (Photo by Scott Cunningham/Getty Images)

Colin Kaepernick's lawyer says he can prove NFL collusion

Kaepernick wasn't invited to a quarterly NFL meeting this week, which included discussion about the league's policy on players standing for the national anthem.