Background
He is the son of Isaiah Senior and Rosalind and has two brothers and two sisters.
He is the son of Isaiah Senior and Rosalind and has two brothers and two sisters.
He attended training camp with the Seattle Seahawks, but was cut on August 28, 2007.
On September 18, 2007 he signed a contract and was placed on the Developmental Squad with the Canadian Football League"s Saskatchewan Roughriders. He was released by the Riders on June 21, 2008, following training camp. He was readded to the Riders" Developmental Squad on July 8, 2008.
In 2011, Marcus joined Teach for America 2011 Houston Corps to teach high school in inner-city Houston.