Mario Haggan (Mario Marcell Haggan) was born on March 3, 1980 in Clarksdale, Mississippi. After going to high school at Clarksdale (MS), Haggan attended Mississippi State University. Haggan made his professional debut in the NFL in 2003 with the Buffalo Bills. He has played for the Buffalo Bills for his entire 4 year career.
Most people believe that 2006 was Mario Haggan's best year.