Slovak enjoyed a standout second season with the Rockets in 2002–03, contributing with 71 points in 65 games to lead the league amongst defensemen.

Having concluded his junior career, Slovak's was expected to compete for a roster position on the Predators defense corps.

After attending the Avalanche's training camp, Slovak was assigned to begin his rookie season with affiliate, Hershey Bears, of the American Hockey League.

On the opening day of free agency, Slovak was unable to gain NHL interest and opted to sign a contract with Swedish club, Mora IK of the then Elitserien on July 1, 2006.

From his return to European hockey, Slovak adapted to his journeyman status and has played in 6 countries and 14 clubs.