Don’t look now, but Justin Fields might just be the best QB from the class of 2021. Over the weekend, Chicago’s 23-year-old signal-caller had the best game of his young career, throwing for three touchdowns while adding 178 rushing yards to go along with another score in what ended up being a close loss to the high-powered Miami Dolphins and their super-charged offense. Fields’ ground game was so effective on Sunday that Miami’s…