"Tell me what aggressive free agency the Pittsburgh Steelers or Baltimore Ravens have had. Yet Pittsburgh has been in how many Super Bowls in the same time frame?" Bengals coach Marvin Lewis said at the NFL scouting combine. "You win by developing your own players and not overpaying for a guy you’re not sure how he’s going to work out."Bengals coach Marvin Lewis defending team's lack of aggressiveness in free agency.