Robert Joseph Hallen is a former American football player. He played high school football at Mentor High School where he was honorable mention all-state his senior season. He was a four year starter at Kent State University while starting 44 consecutive games. He was a first-team All-Mid-American Conference choice in 1997 after switching to right tackle after three seasons at center. After his senior season, he was chosen to play in the 1998 Senior Bowl in Mobile Alabama. He was drafted in the 1998 NFL Draft by the Atlanta Falcons in the second round of the 1998 NFL Draft and went on to play in Super Bowl XXXIII. He played from 1998 to 2001 for the Falcons. He also played for the San Diego Chargers from 2002 to 2005. He signed with the Cleveland Browns prior to the 2006 NFL season. Hallen's career came to an end on August 11, 2006 when he announced his retirement due to ongoing problems with his back which he first injured in the 2001 season while playing for the Falcons. Hallen announced his retirement shortly after he was named the Browns' starting center in place of injured LeCharles Bentley. Hallen had left practice several days earlier complaining of back spasms. 

March 9th, 1975 in Cleveland (Age 49)