 Complete the following phrase:  Coby Miller born October 19, 1976 is an American track and field athlete, who specialises in the sprint events. In his career, he recorded a sub-10 second personal best in the 100 meters and a sub-20 second best in the 200 meters. In the latter distance, he won the 1999 Summer Universiade and reached the 2000 Sydney Olympics final. He suffered leg injuries in the 2001 and 2002 seasons, but returned in late 2002 as part of the gold-medal-winning American 4 x 100 m relay team at the 