The NFL commissioner suggested the former 49ers QB was out of football as no team thought he'd improve them.
The no-call cost the Saints a shot at reaching Super Bowl LIII and completely overshadowed the outcome of the game.
"First time kneeling, out for game. Second time kneeling, out for season/no pay!" Trump said.
The NFL alternative failed after one season in 2001.
There are questions about whether Newton was checked out thoroughly enough.
Jones has been angry with Roger Goodell.
Goodell has been NFL Commissioner since 2006.
Goodell's new contract could be worth up to a reported $200 million.
The league plans to donate $89 million to social justice causes, but Eric Reid has called it a "charade."
Players are divided over the idea.
This is no longer unthinkable.
The president has accused the league of a "total disrespect" to the United States.
"We need to move past this controversy, and we want to do that together with our players," the NFL Commissioner wrote.
The Chiefs beat the Redskins on Monday night.
Adams was taken to the hospital after a helmet-to-helmet hit, raising the specter of concussion in the game once more.
"In a divided nation, sports united," reads the cover of the magazine, but Curry wasn't happy.
John Kelly was reportedly displeased with Trump's comments over the weekend.
Commissioner Roger Goodell wrote an open letter to fans.