David Michael Diehl (; born September 15, 1980) is a former American football offensive lineman who played his entire career with the New York Giants of the National Football League (NFL). He was the Giants starting left tackle on two Super Bowl championship teams, beating the New England Patriots in both games. He played college football for the University of Illinois. The Giants selected him in the fifth round of the 2003 NFL Draft. Early life Diehl was born in Chicago, Illinois, on September 15, 1980. He is of Croatian descent on his mother's side, and of German descent on his father's side. When he was younger Diehl and his family frequently visited local Croatian churches and clubs in Chicago. He strengthened his Croatian-American ties after he moved to New Jersey, where the local Croatian community often have him as a visitor. He has the Croatian coat of arms as well as "neuništiv", the Croatian word for indestructible, tattooed on his left arm. High school career Diehl attended Catholic schools, including St. Linus Grammar School in Oak Lawn, Illinois, and Brother Rice High School in Chicago, where he starred on the football, wrestling, and track teams. College career Diehl attended the University of Illinois at Urbana–Champaign, where he played for the Illinois Fighting Illini football team. He became a second-team All-Big Ten Conference selection as a senior in 2002. Recipient of the Wright Commitment to Excellence Award, presented to the Illinois player who has dedicated himself to academic excellence despite obstacles faced during his collegiate career. Started every game at left offensive guard, registering 91 knockdowns for an offense that featured its first 1,000-yard rusher (Antoineo Harris) and 1,000-yard receiver (Brandon Lloyd) in the same season since 1984. Helped offense total 5,356 yards. In 2001, saw action at both guard and tackle. Registered 56 knockdowns as he participated in 385 plays for an offense that gained 5,041 yards as the line allowed only 16 quarterback sacks (second in the Big Ten). In 2000, was valuable reserve, seeing action in every game at right guard. Made 15 knockdowns as he participated in 43 plays. In 1999: Played in 6 games on the field goal and extra point protection units. He was redshirted as a freshman in 1998. Professional career 2003 NFL Draft New York Giants (2003–2013) Diehl was drafted by the Giants in the fifth round of the 2003 NFL Draft