PRETORIA, South Africa — South African police appointed a new chief investigator in the Oscar Pistorius murder case, replacing a veteran detective after unsettling revelations that the officer was charged with seven counts of attempted murder.

The twist in the state's troubled investigation fueled growing public fascination with the case against the double-amputee Olympian, who is charged with premeditated murder in the recent slaying of girlfriend, Reeva Steenkamp.

PORT ST. LUCIE, Fla. — Baseball union head Michael Weiner said reporters should refrain from jumping to conclusions about media reports linking players to a defunct Florida anti-aging clinic accused of distributing banned performance-enhancing drugs.Weiner cautioned that MLB is still investigating Biogenesis of America in Coral Gables.

INDIANAPOLIS — NFL senior vice president Adolpho Birch said the league and players association need to reach agreement soon on HGH testing.The NFL and the union agreed in principle to HGH testing when a new 10-year labor agreement was finalized in August 2011. But protocols must be approved by both sides and the players have questioned the science in the testing procedures.

RALEIGH, N.C. — Former North Carolina State men's basketball coach Sidney Lowe has apologized to family and friends after being arrested on tax charges and says he's working to resolve the issue.The state Department of Revenue says Lowe didn't file returns in 2009, 2010 and 2011. Those were the last three years he coached the Wolfpack. He was arrested Monday and released on a $10,000 unsecured bond on the misdemeanor charges.Lowe is now an assistant with the NBA's Utah Jazz.