Signed by the Toronto Argonauts on October 16, 2013.
2012: Signed with the New York Giants (NFL) on August 16 and released on August 31.
2011: Dressed in 12 games (11 starts) at Defensive Tackle for the Denver Broncos (NFL)…Recorded 43 combined tackles and 1 pass defended.
2010: Dressed in 16 games (2 starts) at Defensive Tackle for the Broncos…Recorded 35 combined tackles and 1 sack.
2009: Dressed in 16 games at Defensive Tackle for the Broncos…Recorded 15 combined tackles.
2008: Dressed and started in all 16 games at Defensive Tackle for the Broncos…Recorded 34 combined tackles and one (1) interception which he returned for 11 yards.
2007: Drafted in the 4th round (121st overall) in the NFL draft by the Denver Broncos…Dressed in 16 games (5 starts) at Defensive Tackle…Recorded 19 combined tackles and one (1) interception.
Played four seasons at the University of Florida between 2003-2006.
Marcus was born in Yokosaka, Japan.