Over on Reddit /u/thedeejus came up with a list of the most underpaid and overpaid players for last season. Unsurprisingly, several Arizona names appeared in the former list.
In the original post, they explained their methodology: "$3.8B total payroll, 1,000 WAR in majors = 1 WAR = $3.8M. I calculated how much each player deserved, and compared that to how much they earned." You can perhaps argue the cost per WAR a bit, but increasing that would only adjust the amount of over- or underpay, and not affect the order. The list was led by the Nationals' Bryce Harper, whose performance was "worth" over $37.