[2] Sewell was drafted in the first round, eighth overall by the Toronto Argonauts, despite having signed with the Tennessee Titans of National Football League.
[3] He played college football for the McMaster Marauders and helped them to win the 47th Vanier Cup[4] After being released by the Titans near the end of May 2013, Sewell decided to return play one more year of CIS football with the McMaster Marauders while completing his Masters of Business Administration.
[5] On February 12, 2014, Sewell signed with the Toronto Argonauts of the Canadian Football League.
On July 2, 2016, Sewell and Mitchell Gale were traded to the Saskatchewan Roughriders for Shawn Lemon and a conditional 2018 CFL Draft pick.
[6] Sewell graduated from the Berkshire School in 2009 before attending McMaster University.