Daily Bagel: Andy Murray publicly rues his loss to Grigor Dimitrov

Video: Here's what Andy Murray had to say after his quarterfinal exit on Wednesday.
Martina Navratilova raises a fair point about Serena Williams' bizarre retirement from doubles yesterday: How did anyone on her team let her take the court?
Yes, BBC is calling GrigorDimitrov the "Bulgarian Beckham".
From Newsweek: Brand Sugarpova.
Laura Robson gives some insight into what it's like to be a lefty and play another lefty.
Nick Kyrgios' Wimbledon run is over, but that doesn't mean we aren't going to be talking about it for a while. Here's the Heavy Topspin blog's take on Kyrgios' tiebreak skills.
A totally made-up conversation between Bernard Tomic and Kyrgios.
From FiveThirtyEight: Does tennis need a shot clock?
Nick McCarvel interviews Wim Fissette, coach to Simona Halep.
Non-tennis: Will Leitch's take on the end of the U.S. run at the World Cup is great.

Contributor, SI.com Nguyen is a freelance writer for SI.com, providing full coverage of professional tennis both on and off the court. Her content has become a must-read for fans and insiders to stay up-to-date with a sport that rarely rests. She has appeared on radio and TV talk shows all over the world and is one of the co-hosts of No Challenges Remaining, a weekly podcast available on iTunes. Nguyen graduated from the University of California, Irvine in 1999 and received a law degree from the University of California, Davis in 2002. She lives in the Bay Area.