Chan Ho Park
On May 4, 2007, Urdaneta was brought up by the Mets to the Major League roster, replacing Chan Ho Park. He pitched in two games, lowering his career ERA to 63.00. Urdaneta was sent down to Triple-A on May 14 after 12 days in the majors. On May 16, 2007, MLB suspended Urdaneta 50 games for testing positive for a performance-enhancing substance.