SailGP: Five things to watch in Sassnitz

SailGP’s F50s return to competition on August 22-23 in Sassnitz, Germany. Here's what fans need to know before racing gets underway on the Baltic Sea: The championship race is tightening Tom Slingsby's Bonds Flying Roos (AUS) head into Sassnitz on top of the overall leaderboard on 66 points, but Diego Botin's Los Gallos (ESP) are closing fast. Back-to-back wins in Halifax and Portsmouth have…