Why: Well, when the head coach, main quarterback, and team owner are all enthusiastic/vocal Trump supporters … and you’re trying to divest from Trump supporters, it’s hard to get more obvious or straightforward.
How: I realize this will be agonizing for some of you to contemplate and a literal non-event to many of you. For starters, don’t buy any licensed gear/merchandise, tickets to any games, etc. The team owner, Robert Kraft, also owns:
New England Revolution
So, you may want to consider not buying tickets to concerts at Gillette Stadium, eating/shopping at Patriot Place, etc.
INvest: If you want to do some football-related good in the world, consider donating money you would otherwise spend on jerseys, hats, etc. to fund concussion research especially long-term studies into chronic traumatic encephalopathy (CTE). Especially since the NFL and teams are doing a pretty lousy job of ethically funding it themselves.
Alternatively, you could take advice from an actual football player and match some of his donations.
P.S. There may be other NFL teams with equally vocal Trump supporters in key leadership, management, and ownership positions. This post is not an endorsement of any other teams, just a gathering of facts about one team.