In 2004, Lewis led the Stampeders in receptions (72), receiving yards (1045), touchdowns (8) and punt return yards (385) and was recognized as the Rookie of the Year by the Canadian Football League. Lewis finished the 2005 CFL season with 1,379 receiving yards, nine touchdowns and 80 receptions, second in the league. 2006 was another strong year for Lewis with the Stampeders as he posting 77 receptions, 1,114 receiving yards and five touchdowns and was named to the 2006 CFL Western Division All-Star team.