Marcus John Sherels (born September 30, 1987) is a former American football cornerback and return specialist. He played college football at Minnesota, and was signed by the Vikings as an undrafted free agent in 2010. Primarily known as a return specialist, Sherels is tied for first in Vikings franchise history with a 10.4 yard career punt return average (208 for 2,171 yards) and holds the franchise record with 5 career punt return touchdowns. He has also been a member of the New Orleans Saints and Miami Dolphins.