Virginia Tech said Saturday it is investigating allegations by North Carolina Central coach Trei Oliver that a Hokies staff member tried to get his star running back to transfer to the ACC school.Oliver was one of five coaches of North Carolina football programs who took part Friday in The Bill Dooley Pigskin Preview in Raleigh. With new Tar Heels coach Bill Belichick on his right, Oliver told the story of a Virginia Tech staffer being on the sideline during NC Central’s 26-3 win over Howard on Nov. 15.Oliver was told the Virginia Tech staff member was there to visit George “Bulldog” Smith, an assistant athletic director at NC Central. He didn’t buy the story.”Virginia Tech was actually on my sideline recruiting our running back,” Oliver said. “That was pretty bold. I couldn’t believe it.”Oliver said the running back went on to transfer to Virginia. While he did not name the player, graduate transfer J’Mari Taylor is now on Virginia’s roster.Virginia Tech, in a statement released Saturday, said Oliver had not reported the potential tampering to the school.