games at right guard, but injured his back in the wildcard playoff loss against the Seattle Seahawks and underwent his second back surgery in two years to repair a herniated disc. On June 7, 2007, Rivera was released due to serious back problems and eventually retired. The Cowboys signed free agent Leonard Davis to replace him. Rivera played in 155 games starting a total of 141, while registering 12 tackles and 3 fumble recoveries as an offensive lineman. He received three Pro Bowl selections. See also List of Puerto Ricans Personal life Rivera is of Puerto Rican descent. He spent time as a volunteer coach with the Miami Dolphins, under two of his previous coaches from the Cowboys and Packers (Tony Sparano, Joe Philbin). References 1972 births Living people Sportspeople from Brooklyn Players of American football from New York City American football offensive guards Penn State Nittany Lions football players Green Bay Packers players Scottish Claymores players Dallas Cowboys players National Conference Pro Bowl players Puerto Rican players of American football Ed Block Courage Award recipients