On January 16, 2011, Harris recorded his first career postseason interception in which he returned it for 58 yards against the New England Patriots in the AFC Divisional Round. The Jets won 28-21 to advance to their second straight AFC Championship game. It was Tom Brady's first Interception in 11 games (340 pass attempts without an interception). The Jets finished the season 11-5, clinching another wild card spot, and made it to the AFC Championship for the 2nd year in a row, but lost 19-24 against the Pittsburgh Steelers.