Adams continued to start in the 2009 season, and he recorded 33 tackles, a sack, and a pass deflection while playing in all 18 regular season games. The Roughriders made it to the 97th Grey Cup, where Adams forced a fumble that was recovered by teammate Keith Shologan. Facing the Montreal Alouettes, the Roughriders lost 28–27, preventing Adams from winning his second championship.