League Champions:

2022 - Seattle Mariners
2021 - Chicago White Sox
2020 - Anaheim Angels
2019 - Washington Nationals
2018 - Chicago White Sox
2017 - San Francisco Giants
2016 - Seattle Mariners
2015 - San Francisco Giants
2014 - Seattle Mariners
2013 - Cleveland Indians
2012 - Seattle Mariners
2011 - Seattle Mariners
2010 - Los Angeles Dodgers
2009 - Kansas City Royals
2008 - Seattle Mariners
2007 - Atlanta Braves
2006 - Anaheim Angels
2005 - Kansas City Royals
2004 - St. Louis Cardinals
2003 - Arizona Diamondbacks
2002 - Arizona Diamondbacks
2001 - Seattle Mariners
2000 - Arizona Diamondbacks