As the NFL hopes to promote racial diversity with its head coaches, top assistants and front office executives, the league can look to one game this week as a shining example of why more work is needed toward the effort.Sunday’s game between Miami Dolphins coach Brian Flores and Los Angeles Chargers coach Anthony Lynn — two of the NFL’s five Black coaches and six minority coaches in the league — will be the only matchup between Black head coaches during the 2020 season.The NFL passed a proposal earlier this week that provides incentives to teams to cultivate minority candidates for top level p…
