 Previously in the National Football League, he had spent time with the Oakland Raiders in training camp in 2013, and then was briefly a practice squad player for the Arizona Cardinals and later the New England Patriots.He played his freshman season of college football at Michigan before transferring to Rice to play his final three seasons in his native state of Texas.McGuffie starred as a high school running back for Cy-Fair High School in Cypress, Texas, where he rushed for a total of 5,847 yards in 699 total carries and scored 83 touchdowns.