Daily Bagel: Lleyton Hewitt has no plans to retire anytime soon

http://youtu.be/RPxrKphMRMQ
The Daily Bagel is your dose of the interesting reporting, writing and quipping from around the Internet.
• Video: Juan Martin del Potro wins Argentina's sportsman of the year. Given the height of the microphone they must have thought it was going to Lionel Messi. (Video in Spanish)
• Lleyton Hewitt laughed off speculation that this might be his last Australian Open. So no, he has no plans on retiring just yet.
• Serena Williams tops espnW's "Impact List" as the female athlete who has the most impact on 2013.
• Catch up on the WTA's 2014 calendar changes, which includes a new grass court tournament in Nottingham, England and continued expansion into Asia and South America.
• Heavy Topspin ranks the five biggest comebacks of the ATP season.
• Steve Flink reviews the 2013 season.
Answering all the questions in Beyonce's new album

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.