Kaepernick's entourage said he wanted to let the media watch and film the session because of "recent NFL decisions."
"Since the beginning, Mr. Kaepernick has asked for a legitimate process and from the beginning the NFL has not provided him with one," said his representatives in a statement.
The session was scheduled to take place in the Atlanta Falcons' indoor training center, but she was moved to the south of the region at Charles Drew High School in Riverdale.
Several Scouts of the NFL teams were already in the Falcons training center when the decision was announced.
According to ESPN, scouts from 6 of the 24 teams that moved to Atlanta followed Kaepernick to Riverdale.
Kaepernick officials explained that the NFL had asked the quarter to sign an "unusual" liability waiver and that they had been refused a league in their request to open the session to the media and an independent film crew. .
"We are disappointed that Colin did not show up for training. He informed us of his decision at 2:30 pm, at the same time as the public, "the NFL wrote in a statement.
"We agreed to have Colin's representatives on the field during training to allow them to register. But we were clear with him from the beginning that it was a private training. As with other training (Combines) of the NFL, a film crew was on hand to film the session (…) that would have been sent to the 32 teams in its entirety, which was unprecedented, "says the NFL, pointing out that the place chosen by Kaepernick is an hour from the center of Falcons.
The quarter has repeatedly expressed his desire to return to the NFL. He has not played in this league since the 2016 season. He protested during this campaign against police brutality and racial injustice by kneeling on the ground during the American national anthem.
Kaepernick ended his contract with the San Francisco 49ers in March 2017.
"I was ready, I'm ready, and I'll continue to be ready," said Kaepernick at the end of his training. The ball is in their court, we are ready to move forward. "
The pivot has been fighting a legal battle with the NFL for the past two years. In particular, he filed a grievance for collusion against and claimed that the owners of the league had allied to deny him a new job on a team.
An agreement was reached between the NFL and Kaepernick in February 2019.