The San Francisco 49ers made a leap from 4-12 to 13-3 and a trip to the Super Bowl in one season. They were a team up until last season the Arizona Cardinals dominated for over 3 years.
There are some differences in each teams situations however which likely doesn’t lead to such a huge leap for the Cardinals in 2020 but a continued rise in that direction. Maybe no Super Bowl in 2020 however playoffs could be contended for.
The 49ers had a quarterback with a few years under his belt in the league already in Jimmy Garoppolo.