Opening Day payrolls compiled by Baseball Prospectus include salaries and pro-rated signing bonuses for players on the active 25/26-man roster and injured list. Deferred payments and performance and award bonuses are not included.

Year End 40-man roster payrolls obtained by The Associated Press include salaries and pro-rated shares of signing bonuses, earned performance and award bonuses, non-cash compensation, buyouts of unexercised options and cash transactions. Deferrals may be discounted to reflect present-day value.