4 top 10 offenses out of 6 years with the only time they didn't crack a top 10 offense was due to suffering injuries at QB/RB.
Eagles were a mess last year losing all but one of their games to end the season and getting booted out of the playoffs early with all kinds of drama from the players. He came in and fixed it by adjusting his offense to a running one because that's what his personnel did best.
There's a quote from one of his offensive lineman floating around that basically said not only is he playing chess but he's good at articulating his reasoning to his players.