 Complete the following phrase:  Mayo was the 2006 Central American and Caribbean Games champion in the high jump and competed at the Pan American Games in 1991, 1995, 1999 and 2007, which included a bronze on his second appearance at the competition. He was a four-time champion at the South American Championships in Athletics 1991, 1995, 1997, 2005 and a three-time gold medallist at the South American Games  this includes the 