It took 77-years for a British man to win Wimbledon again. So what's a once-in-a-lifetime tennis feat worth for tennis player Andy Murray?

According to one sports marketing expert: $74 million. Nigel Currie tells Bloomberg News that "the sky really is the limit" for Murray. Another branding consultant says Murray could easily triple his yearly earnings of $12 million, which includes prize winnings and endorsements.

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To put this all in perspective, the man Murray beat Sunday, top-ranked Novak Djokovic, makes about $14 million per year in endorsements. Djokovic has won six Grand Slam championships. Murray has now won two, plus an Olympic gold last summer. Forbes contributor Patrick Rishe wrote in a column that he thinks Murray could easily match Djokovic's $14 million per year, and maybe earn $20 million a year if he wins 2-3 more majors.

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By the way, Fred Perry - the last Brit to win Wimbledon - reportedly said before his death in 1995 that he didn't think a British man would ever win Wimbledon again.

“It’s really hard,” Murray said when asked about the burden of expectation. “For the last four or five years, it’s been very, very tough, very stressful, a lot of pressure. I felt a little bit better this year than I did last year, but it’s not easy. I think now it will become easier. I hope it will.”

"We all love winners. Everyone wants to back them," says The Daily Ticker's Henry Blodget. See more about the business of tennis in the video above, including whether Murray's "Britishness" could hurt his endorsement earning power in the U.S.

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