What are realistic expectations for Mac Jones under Bill O'Brien? (Patriots mailbag)

If you have questions on the Patriots, NFL, or want gripe about past answers, email cmason@masslive.com or tweet @bychrismason. Now let's get to this week's questions! What are realistic expectations for Mac Jones under Bill O'Brien in his third season? This is going to be a massive season for Jones. The Patriots will need to decide whether to pick up his fifth-year option next offseason (it would have been $29.5 million this year) and ultimately determine if he's the quarterback to lead them into the future.