Today's top sports stories:

In sunny South Florida, Tiger Woods and Phil Mickelson were tied at 10 under par during the second round of the Cadillac Championship, with Graham McDowell and Buba Watson not far behind. [Sun-Sentinel]

The Big East Conference, which has suffered huge losses in the recent years of realignment, will officially split into two parts, with the so-called Catholic 7 schools taking the Big East name and forming a basketball-only league. [ABC]

Chicago Bulls star point guard Derrick Rose, who has been out all season as he recovers from a torn anterior cruciate ligament, has apparently been cleared to play, but for some reason has not chosen to yet. [ESPN]

Sports Illustrated took a look back at the history of the NCAA Tournament and came up with a list of the top 75 players and top 10 moments. [S.I.]

Seventy-year-old one-legged golfer hits a hole in one? Seventy-year-old one-legged golfer hits a hole in one. [GuySpeed]