In the second Senators game after the resolution of the 2012–13 NHL lockout, Silfverberg scored his first career NHL goal on 21 January 2013, against José Théodore of the Florida Panthers. On 5 July 2013, Silfverberg was traded to the Anaheim Ducks, along with forward Stefan Noesen and a first-round draft pick in 2014, in exchange for forward Bobby Ryan.