'Darby, who started all three games this month, is the first Bills rookie with at least two interceptions in a season since Jairus Byrd (nine) and Cary Harris (two) accomplished the feat in 2009. The 5-foot-11, 190-pounder is the second Bills cornerback to be named NFL Defensive Rookie of the Month. Leodis McKelvin was honored with the award in November 2008.'