The 2020 Summer Olympics begin this week -- one year after they were originally scheduled -- and the members of Team USA will look to strike gold in Tokyo. William Hill Sportsbook has set the Over/Under for total gold medals won by Team USA at 44.5. Before locking in any Tokyo Olympics 2020 picks or predictions, you need to see what SportsLine's Olympics expert, Mike Tierney, has to say.

A national sportswriter whose work appears in The New York Times and Los Angeles Times, Tierney has covered nine Olympic Games in person. For Rio in 2016, Tierney profited big-time. He told readers to bet Over on Team USA's gold medal count (41.5) and Over on Team USA's overall medal count (102.5). The result? 46 golds, 121 medals and two easy cashes.

And for the 2018 Winter Olympics in Pyeongchang, Tierney hit two of his three predictions: Germany (+200) to win the most gold medals and the United States winning Under 10.5 gold medals (+110).

Anyone who has followed him is way up.

Now, with the Tokyo Summer Olympics starting, Tierney has analyzed every sport and come up with his projected god medal count for Team USA. He has identified several factors why this wager will cash.

Will the U.S. go Over or Under 44.5 gold medals? ... Join SportsLine now to get Mike Tierney's predictions for the Tokyo Summer Olympics, all from the renowned sportswriter who's covered nine Olympics in person and cashed big in both 2016 and '18!!