In the words of those who have passed ... 2020 edition, part 1 by Egantx7

Question 13

I think the Dolphins were 3-10-1 the year before I got to Miami; and then we went 10-4 the next year and got beat in the first playoff game ... and then , you know, we got into the Super Bowl, then we got in and won it and won back-to-back Super Bowls, so there was a lot of success early.

2015 interview

Don Shula (winningest head coach in NFL history)