DUBAI, United Arab Emirates -- Novak Djokovic opened the defence of his Dubai Championships title with a straight sets victory over Denis Istomin, while second-seeded Juan Martin del Potro had to retire from his first-round match on Tuesday. Top-seeded Djokovic, who is making only his second appearance this year after reach...

ARLINGTON, Texas - Ohio State was done when Braxton Miller got hurt in August.Ohio State was done when it lost at home to Virginia Tech in September.Ohio State was done when J.T. Barrett got hurt in November.A funny thing happened: Every time the Buckeyes looked done, they kept getting better. And in the new era of college ...