 Reaves was recalled from the Peoria Rivermen by the Blues on October 10, 2010, after Cam Janssen suffered a concussion from a hit to the head in the Blues season opener on October 9.Reaves made his NHL debut on October 11, 2010, where he served 15 penalty minutes in the Blues' 5–1 win over the Anaheim Ducks.He was returned to Peoria after two games with the Blues as Vladimír Sobotka returned from the Injured reserve list.