Colin Kaepernick's legal team is going after the big dogs right out of the shoot.

According to Charles Robinson of Yahoo! Sports, the current free agent quarterback's lawyers are looking into Patriots owner Robert Kraft, Cowboys owner Jerry Jones and even President Donald Trump as some of the main figureheads in their latest grievance with the NFL.

If granted their request, Kaepernick's team will then go through the discovery portion of their case and try to find tangible proof of collusion to keep the former 49ers quarterback out of the league due to his national anthem protest.

Along with those three, Roger Goodell, the Seattle Seahawks, Tennessee Titans and Baltimore Ravens were also named as parties Kaepernick's team would be interesting in looking at.

“It will be a vast group, both broad and specific,” a source told Robinson.

What Kaepernick's team is ultimately trying to find is some sort of "cross boundary" communication that would signify a collective effort to keep him out of the NFL.

Robinson relays three specific points that they will be looking for.

• Owners or executives from at least two different teams communicating about Kaepernick’s protests; his impact on the league’s brand; his free agency; or anything else relating to his previous or future job status in the league. • Owners or executives from at least one team and the NFL’s league office communicating about Kaepernick’s protests; his impact on the league’s brand; his free agency; or anything else relating to his previous or future job status in the league. • Owners or the NFL’s league office communicating with President Trump – or even indicating communications with Trump – about anything relating to Kaepernick’s job status.

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One specific moment that is mentioned that brings President Trump into play in this grievance is from last March when he spoke in front of a crowd in Louisville and talked about his influence being a reason teams did not want to sign Kaepernick.

“It was reported that NFL owners don’t want to pick him up because they don’t want to get a nasty tweet from Donald Trump,” he said at the time. “Do you believe that? I just saw that. I just saw that.”

What makes that comment partially interesting to Kaepernick's legal team is that it came just a day after Robert Kraft joined Trump on Air Force One as they flew from West Palm Beach to Washington together.

If they could somehow find any proof of any out of bounds communication between the two or through the President's relationship with Jerry Jones, that could be a smoking gun for their case.

Kaepernick hasn't been on an NFL roster since the start of the 2017 league year

For more Patriots news, follow Tyler Sullivan on Twitter: @TylerSully