49ers building one of biggest single-season turnarounds in NFL history

The current San Francisco 49ers team has done an amazing turnaround. Where do they rank when it comes to NFL history?

2008 Dolphins: From 1-15 to 11-5

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Cam Cameron’s time in Miami was miserable with the team barely avoiding a winless campaign. The next season Tony Sparano ran the show and they finished with six straight victories to go 11-5. A Wild-Card loss to the Ravens ended the magic.