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Kobe Takes On Twitter - Kobe Bryant joins the Twitterverse, Serena Williams brushes off body image jokes, NCAA enforcement bureau targeted, plus more sports headlines. – Britt Middleton Expanding his dominance to the digital world, Kobe Bryant has finally joined Twitter — at least temporarily. The Los Angeles Lakers guard announced on Christmas Day that he will take over Nike Basketball’s Twitter feed “for a few days,” he tweeted on Tuesday. (Photo: Ezra Shaw/Getty Images)

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Nets Fire Avery Johnson - Coach Avery Johnson is out of a job after being fired by the Brooklyn Nets on Thursday. The Nets started the season 11-4, but has now lost 10 of 13 games. Johnson had been with the team a little over two seasons. (Photo: CSM /Landov)

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Serena Williams Takes the High Road - While many bashed Danish tennis player Caroline Wozniacki for stuffing towels down her shirt and skirt to mimic Serena Williams’ famous curves, Williams says the impression was hardly a racist jab. “I know Caro and I would call her my friend and I don't think she (meant) anything racist by it,” she wrote in an e-mail sent to USA Today, adding that the negative backlash may be enough for Wozniacki to “take reason and do something different next time."(Photos from left: Chris Trotman/Getty Images, William Volcov/News Free/LatinContent/Getty Images)

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NCAA Crackdown - Several recent incidents at Southern California schools, including the suspension of UCLA freshman basketball player Shabazz Muhammad, are raising questions about the practices of the NCAA enforcement in investigating players and coaches in college sports. One NCAA official has been accused of prejudging Muhammad before all the facts were presented, while other officials have been characterized as  “potentially malicious” in how they handled a USC coach involved with the Reggie Bush sanctions, the Los Angeles Times reports.(Photo: Stephen Dunn/Getty Images)

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Chad Johnson’s Sex Tape Hits the Web - Yep, it’s real. Chad Johnson has given credence to speculation that he made a sex tape with two women three years ago, and now portions of the tape have surfaced on the Internet. Johnson said he never meant for the video to go public and has reached out to the FBI for help getting it removed. (Photo: Mike Ehrmann/Getty Images)

Photo By Mike Ehrmann/Getty Images

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Robert Parker Benched for 30 Days - ESPN has suspended commentator Rob Parker for 30 days following his remarks over Robert Griffin III’s “blackness.” In a panel discussion earlier this month, Parker debated whether the Washington Redskins quarterback was "a brother or a cornball brother.” Parker has since apologized.(Photo: Courtesy of ESPN/Press Handout)

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Joey Porter’s Gambling Woes Resolved - Former NFL player Joey Porter is in the clear with the state of Nevada after he paid back a $70,000 gambling debt owed to the Hard Rock Casino. Last week, Porter, who last played linebacker for the Arizona Cardinals in 2011, was arrested in California on felony fraud and theft charges stemming from accusations that he wrote eight bogus checks in exchange for cash and/or gambling chips, including one check totaling $20,000, TMZ reports. (Photo: Christian Petersen/Getty Images)

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Hines Ward Does the Right Thing - Former NFL player Hines Ward has filed court documents officially acknowledging that he is the father of an 11-month-old baby girl he had with a woman named Melanie Smith. Hines, who played 14 seasons with the Pittsburgh Steelers before retiring in 2011, submitted a blood test shortly after the child was born and had already been providing the child with “substantial support,” according to reports.(Photo: Karl Walter/Getty Images)

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Metta World Peace Launches Metta World Therapy - For his new Web show, Metta World Peace is turning to a “kid therapist” to help deal with life’s daily pressure. The show debuted Christmas Eve and featured endearing advice such as digging up earthworms during games to soothe the basketball player’s anxiety. The Lakers forward is an advocate for mental health, having previously auctioned off his 2010 NBA Championship ring to benefit mental health education. (Photo: Courtesy The NOC)

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He's Going to Duke - Simeon High School senior Jabari Parker ended months of speculation last week when he announced he would would play college basketball at Duke next season. There had been speculation that Parker, who is a devout Mormon, would choose Brigham Young University.(Photo: Phil Velasquez/Chicago Tribune/MCT/LANDOV)

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More Awards for Golden Gabby - Olympic gold medal winner Gabby Douglas has a new honor to add to her many accolades: The teen was named Associated Press' 2012 female athlete of the year, edging out swimmer Missy Franklin in a vote by U.S. editors and news directors. (Photo: AP Photo/Gregory Bull)