The Daily Bagel is your dose of the interesting reporting, writing and quipping from around the Internet.
• Video: Roger Federer is now an ambassador for Moet & Chandon. But remember, Roger, champions drink responsibly.
• Late-morning news from The New York Times: John Isner is parting with coach Craig Boynton.
• Sports on Earth looks at four athletes who reshaped sports and includes one name tennis fans know well: Billie Jean King.
If the progress of history entails clearing aside nonsense, King has shoved unusual mountains of it. Something within her allowed her to drive her combine right on over the things that halt so many people, the fears of criticism and ostracism and hate mail. Something within her also enabled her to endure as an unquestioned protagonist, as if it somehow came through to just enough people that she wanted better things for both genders.
• Newly retired Juan Carlos Ferrero will still be in the game. He's going to serve as a part-time coach to Nicolas Almagro next year.
• WTA Backspin's year in review is, as always, thorough and highly entertaining.
• Steve Tignor, in a lovely read, recounts his five favorite memories from 2012.
• The ATP rolls out its list of the Comebacks of the Year.
• A collection of tennis players who have made it onto stamps in their own countries, including Federer, Novak Djokovic and Andy Murray.
• A statue of Guillermo Vilas has been unveiled in Argentina.
•Want to know what Adidas has in store for its stable in 2013? Here's a preview.
• Non-tennis: You Chose Wrong, a Tumblr compiling the most tragic endings from the Choose Your Own Adventure books. See or read something that you enjoyed and want to share? Feel free to email or tweet us links to pieces from around the Internet that may have slipped past our radar.