Greco Roman wrestling

Greco Roman wrestler Ellis Coleman of the United States battles Bulgaria’s Ivo Serafimov Angelov, who won the match 3-1. (Robert Gauthier / Los Angeles Times)

Aug. 6, 2012 12:24 PM PT

United States’ Ellis Coleman was knocked out of Olympic competition by Ivo Angelov of Bulgaria. Another American, Dremiel Deshon Byers lost in the quarterfinals of his weight class.

Ellis Coleman is flipped to the mat by Ivo Serafimov Angelov. (Robert Gauthier / Los Angeles Times)

Ellis Coleman hangs his head as Bulgaria’s Ivo Serafimov Angelov is named the winner. (Robert Gauthier / Los Angeles Times)

U.S. Greco Roman wrestler Dremiel Deshon Byers catches his breath during a break in his match with Muminion Abdullaev of Uzbekistan. Byers defeated Abdullaev to advance to the quarterfinals. (Robert Gauthier / Los Angeles Times)