Tennis ace Querrey picks pickleball

The former world No. 11, freshly retired from the ATP Tour, details his plan to switch sports at age 35

In 2016, Sam Querrey knocked out two-time defending Wimbledon champion Novak Djokovic in four sets. (Adam Pretty/Getty Images)

Sam Querrey reached the men's semifinals at Wimbledon in 2017. He beat reigning champion Novak Djokovic on the All England Lawn Tennis and Croquet Club's hallowed grass one year prior. With a massive serve and a forceful forehand…