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Duane Burleson/Associated Press

NFL teams are still spending big on the open market. In the first week of free agency alone, eight players signed contracts worth $50 million or more with new teams.

But, as always, not all deals are created equal.

Some signings just end up in dud territory. The fit doesn't work, the player is on his last legs, or other factors ultimately result in a player getting benched or making an early exit from the signing team. Think: quarterback Nick Foles and his $88 million contract with the Jacksonville Jaguars last year.

This isn't necessarily an all-overpaid team—the contracts vary in value, but the consistent theme is the buying team might end up experiencing some regret. The investment versus projected production just won't be a balanced scale, making the following players the likeliest duds of the 2020 market.