- 2006-08-28 • Signed by HV71
- 2005-08-10 • Signed by the Columbus Blue Jackets
- 2004-03-05 • Traded to the New Jersey Devils for Mike Rupp & a 2004 2nd round pick (traded to EDM: Geoff Paukovich)
- 2002-03-11 • Traded to the Phoenix Coyotes with François Leroux for Ramzi Abid, Dan Focht & Guillaume Lefebvre
- 1995-07-08 • Selected 128th overall in the NHL Entry Draft by the Pittsburgh Penguins
In an interview from July 2011, Hrdina commented that was retired from professional hockey due to two hip surgeries on the same hip, which put loads of pressure on his leg when skating. Aside from the hip surgery, Hrdina has also admitted that he had problems with his groin and back over the previous five or six years.