Marco Anthony Rivera (born April 26, 1972) is a former American football guard in the National Football League (NFL) for the Green Bay Packers and Dallas Cowboys. He played college football at Penn State University. Early years Rivera attended Elmont Memorial High School, where he played at guard, defensive end and linebacker. As a senior, he received All-New York, All-county and honorable-mention All-American honors. He helped his team win 3 conference titles, while making almost 300 tackles, 16 sacks and 6 interceptions. He also received All-conference honors in basketball and lacrosse. College career Rivera accepted a football scholarship from Penn State University from 1992 to 1995. As a freshman he was a backup at guard. As a sophomore, he became a starter at right tackle, but was lost for the season with a shoulder injury he suffered in the ninth game against the University of Illinois. As a junior, he was moved to right guard, contributing to the team leading the nation in scoring (47.8 points-per-game) and total offense (520.2 yards-per-game). He played in 41 career games (31 starts), including three bowl games – the Outback, Rose and Blockbuster. He earned second-team All-Big Ten honors in both his junior and senior seasons. He earned his Bachelor of Science in Administration of Justice from Penn State in 1995. Professional career Green Bay Packers Rivera was selected by the Green Bay Packers in the sixth round (208th overall) of the 1996 NFL Draft. During his first year, he was inactive for all 16 regular season games. He was a key practice contributor to the Packers run to their twelfth title in Super Bowl XXXI. In 1997, Rivera was allocated to the Scottish Claymores of the World League and started all ten games, helping his team finish third in the league in total offense. He was named honorable-mention All-World League by Pro Football Weekly. Rivera returned to Green Bay and saw action in 14 regular season games, primarily on special teams as a member of the field goal and extra point units and on kickoffs. He was inactive for the Packers first two contests before seeing action in the club's final 14 games as well as all three playoff contests. In 1998, Rivera started 15 of 16 regular season games at the left guard spot after winning the job in training camp over another ex-Claymore, Joe Andruzzi. He also started the Packers NFC