Copyright 2018 NPR. To see more, visit SCOTT SIMON, HOST: Finally, time for sports. (SOUNDBITE OF MUSIC) SIMON: The NFL suddenly powered by free agents. Are the Pats running out of gas? And the return of the Tiger (imitating tiger roar). Joined now by NPR sports correspondent Tom Goldman, who's somewhere in Minnesota - actually, Minneapolis. He's pretty easy to find. Tom, thanks so much for being with us. TOM GOLDMAN, BYLINE: Always a pleasure, Scott. How are you? SIMON: I'm fine, thanks. A little over three weeks into the season. Free agents are getting contracts. Among them, let me ask you about safety Eric Reid. This was kind of a surprise, yes. GOLDMAN: Sure is. And it is not just any free agent signing. Eric Reid, former San Francisco teammate of Colin Kaepernick's. He followed Kaepernick's lead and was the second player to take a knee during the national anthem protests. And he also filed a collusion grievance against the NFL, like Kaepernick, after he wasn't signed as a free