The Pittsburgh Penguins have re-assigned forward Mark Letestu to Wilkes-Barre/Scranton of the American Hockey League, it was announced by Executive Vice President and General Manager Ray Shero. Letestu, who had been called up to Pittsburgh Friday, has been one of Wilkes-Barre/Scranton’s top scoring threats in the early part of the season with five points (2G-3A) through four games.