Watch Nastia Liukin's beam routine from podium training at the 2012 U.S. Classic in Chicago - her first meet in almost three years.

From the comeback of reigning Olympic champion Nastia Liukin, to new seniors gaining experience – Saturday’s U.S. Classic promises to be a taste of what’s to come at the 2012 Olympics.

Kim Zmeskal was the first American woman to win the all-around world title in 1991. On Sunday, she was inducted into the Gymnastics Hall of Fame.

Nine current and former World Championships gold medalists are expected to compete in the 2012 Secret U.S. Classic, including reigning World team and all-around champion Jordyn Wieber.

USA Basketball chairman Jerry Colangelo considers about 10 men's Olympic team spots set "on paper," with the rest to be determined over two days of practice before the squad is announced July 7.

Six more American boxers have qualified for the Olympics with winning performances at a qualifying tournament in Brazil, allowing USA Boxing to send an impressive nine fighters to the London Games.

Marcus Browne became the first American to clinch a spot to London at the last chance qualifying tournament in Rio, followed quickly by teammate Jamel Herring, who punched his ticket Tuesday evening.

It's months before athletes hit the Olympic track, but time is running out for those in another fierce competition: The scramble for a place to stay in London.

China may not give an encore performance of its heavy metal show from Beijing at this summer's London Olympics, but there will be no shortage of stories as gymnastics prepares to take center stage at The O2 Arena. Aside from American medal contender Danell Leyva, here are a few of the athletes and angles worth watching this summer: