- Leads the Avalanche with 122 blocked shots this season.
- Has blocked 1,277 shots in 492 career games (2.6 per contest).
- Led his respective team in blocked shots for five consecutive seasons from 2006-2011.
- Paced the Nashville Predators in blocked shots in 2006-07, ’07-08 and ’08-09 and led the Minnesota Wild in both 2009-10 and 2010-11.
- Had a season-high six blocks on Feb. 20 vs. St. Louis and again on March 6 at Chicago.
- Had an assist and was +1 in his Avalanche debut on Jan. 19 at Minnesota.
- Is the first player in Avalanche history to have his last name start with the letter 'Z'
- The only other franchise player with a last name that starts with 'Z' was Richard Zemlak, who played 20 games for the Nordiques in 1986-87.
CCHA First All-Star Team (2001) NCAA West Second All-American Team (2001, 2002) CCHA Second All-Star Team (2002)
Signed as a free agent by Nashville, July 9, 2004. Signed as a free agent by Minnesota, July 1, 2009. Traded to Boston by Minnesota for Steven Kampfer, February 27, 2012. Signed as a free agent by Colorado, July 1, 2012.