I read the article as well as a couple supporting links.
Ross was referring to a 2nd hand phone conversation conversation Jerry Jones had with Trump regarding how the owners were going to handle anthem protests. In your last sentence above, Ross acknowledged the protests were hurting the Dolphins financially. Also contained in the article you linked was the fact Ross had believed the protests were being perceived as anti-military, and had asked his players to stay in the tunnel if they wanted to protes
Below is what Jerry Jones had to say about it.
It seems to me, any influence Trump may have actually had is being perceived as an attempt to help the owners recover from the damage the protests had caused.
You see this as proof positive of their "fear his threats to destroy their business for his own craven political purposes."
http://abc13.com/sports/nfl-owners-note ... s/3539569/
The day of the vote, Trump told "Fox & Friends" that he thought the league was "doing the right thing" with the new anthem policy.
Jones did try to deflect some credit going to Trump.
"Let's [not] give him that much credit," Jones testified, according to the Journal. "But I recognize he's the president of the United States."