After finishing the 2003–04 season with the Blues, Sillinger remained inactive in 2004–05 due to the NHL lockout. When NHL play resumed in 2005–06, Sillinger broke the NHL record for teams played with, previously held by Michel Petit and J. J. Daigneault, by joining the Nashville Predators, again, at the trade deadline. He was traded from St. Louis in exchange for Timofei Shishkanov on January 30, 2006. In his fourteenth NHL season, Sillinger set a career-high 63 points playing between St. Louis and Nashville after having recorded just 24 points the previous season between Phoenix and St. Louis.