Shea was selected 49th overall by the Nashville Predators in the 2003 NHL Entry Draft.
Shea is the Captain of the Nashville Predators.
Shea has been nominated for the James Norris Memorial Trophy as the league's Top Defensemen during the 2010-2011 NHL season.
- ALL STAR - 2011 NHL All Star Game
- GOLD - 2010 Olympic Gold
- ALL STAR - 2010 Olympic All Star Team
- SILVER - 2009 World Hockey Championship
- BEST DEFENSEMEN - 2009 World Championship
- ALL STAR - 2009 World Championship All Star Team
- ALL STAR - 2009 NHL All Star Game
- GOLD - 2007 World Hockey Championship
- YOUNG GUN - 2007 NHL Young Stars Game
- GOLD - 2005 World Junior Hockey Championship
- ALL STAR - 2005 CHL Second All Star Team
- ALL STAR - 2005 WHL West First All Star Team
- ALL STAR - 2004 Memorial Cup All Star Team
- ALL STAR - 2004 Second All Star Team