Which players hit it big in free agency? Which teams got deals and who overpaid? We grade the most compelling transactions.

Three days of free agency have come and gone, with Wednesday marking the official start of the new league year. We've seen a number of notable deals come across the wire, including at the quarterback position.

While there are still plenty of good NFL free agents to sign this March, some teams have already made massive strides to get better. Spending money in March isn't always the best path to winning a Super Bowl,