NFL, three teams appeal to Supreme Court in coach Brian Flores’s discrimination suit 

The National Football League (NFL) and 3 of its teams asked the Supreme Court to instrumentality up their entreaty in a discrimination lawsuit brought by coach Brian Flores.  In a petition docketed Tuesday, the NFL and the teams — the Denver Broncos, Houston Texans and New York Giants — urged the justices to reverse a ruling that would let the lawsuit to proceed before a jury.  The league says it should proceed in arbitration. But…