 Complete the following phrase:  He was a mainstay for the United States moving forward, appearing in a number of major competitions including the 2009 Mens NORCECA Volleyball Championship, 2010 FIVB Volleyball Mens World Championship qualification NORCECA, 2009 FIVB Volleyball World League, 2010 FIVB Volleyball World League, 2011 FIVB Volleyball Mens World Cup, 2011 Pan American Games, 2011 Mens NORCECA Volleyball Championship, 