As NFL fans, we tend to daydream about how we can make our teams better with coaching changes, through the NFL Draft, and especially by adding established players in free agency. We’re here to help you with your imagination.

The free-agent class is weak overall, but there's plenty of depth along the offensive line and on defense, especially edge and cornerback.

Sam Darnold provides a best-case scenario. He was signed to a one-year deal to start until first-round draft pick J.J. McCarthy was ready, but then McCarthy suffered a season-ending injury and Darnold had a very good full season as a starter. That's rare too. Here are the top five quarterbacks in free agency: