Nine other golfers won more PGA Tour money than Mickelson in the past 12 months, but none come close to making this list. Mickelson is a good example of how golf is still the sport of big business; his estimated $33 million in endorsements comes not from the usual team-sport consumer brands like Coke and McDonald’s, but from Callaway, Barclays, KPMG, Rolex, Enbrel, ExxonMobil, and Grayhawk.