Walter plays a typical center's game; he is a good playmaker and is sound defensively. Has solid size, but could use it more effectively. Isn't a natural goal scorer. - Erik K. Piri, EP (2012)
- 2010-07-07 • Signed to a one-year contract by the Colorado Avalanche
- 2009-07-31 • Re-signed to a one-year contract by the New Jersey Devils
- 2009-06-30 • Traded to the New Jersey Devils for the rights to Tony Romano
- 2008-07-16 • Re-signed to a one-year contract by the New York Islanders
- 2007-09-11 • Traded to the New York Islanders for Petteri Nokelainen and a 2009 2nd rounder (K. Lynch)
- 2005-08-31 • Signed to a three-year, entry-level contract by the Boston Bruins