This week's notable tweets feature the likes of Tomas Berdych and Roger Federer—on a motorcycle. Meanwhile, track-and-field titan Usain Bolt schmoozes with Marion Bartoli, and the Enric Molina Farewell Tour rolls on. The International Tennis Federation's (ITF) chief of officiating is leaving that career, which he began in 1997, for a CEO slot with partner Alex Corretja's burgeoning sports management company, Big Match Player. (Think Spanish IMG.)
See the sampling below—and what was your own top tweet recently?