Daily Bagel: Wozniacki attends charity event with Redskins LB Ryan Kerrigan

The Daily Bagel is your dose of the interesting reporting, writing and quipping from around the Internet.

• Let the rumor mill begin: Caroline Wozniackiattended a charity event with Washington Redskins linebacker Ryan Kerrigan. 

• Rafael Nadal has resumed his training in preparation for the Australian Open. 

• How's this for a mixed doubles team: Serena Williams and Nick Kyrgios at the IPTL:

[youtube=http://youtu.be/rQI01xDtT7M]

• Report from the Romanian media:

[tweet=https://twitter.com/AlecsStam/status/539548353227677696]

[tweet=https://twitter.com/AlecsStam/status/539839551003705344]

• Must read: Carl Bialik on Bruce Old, an early tennis stats pioneer whose attempt at a statistical revolution never took. 

• WTA CEO Stacey Allaster took home $1.4 million last year, possibly marking the first time the highest-paid tennis executive has been with the WTA.

• From The Guardian: The jury is still out on the International Premier Tennis League. 

• ​Andre Agassi on his IPTL debut.

• Andy Murray reportedly wants to get married in 2015, though a date hasn't been set. 

• No surprise here: Maria Sharapova hates the shot clock. It is being used at the IPTL to speed up play. 

• The FFT has extended Amelie Mauresmo's Fed Cup captaincy for two more years. 

• Down in Melbourne, they're already trying to figure out how hot it's going to be at the Australian Open. 

• Congratulations to Yanina Wickmayer on her engagement: 

[tweet=https://twitter.com/wickytennis/status/538773137291497472]