Give me a bulleted list of the last 10 Major League Baseball world series champions.
2022 Houston Astros
 2021 Atlanta Braves
 2020 Los Angeles Dodgers
 2019 Washington Nationals
 2018 Boston Red Sox
 2017 Houston Astros
 2016 Chicago Cubs
 2015 Kansas City Royals
 2014 San Francisco Giants
 2013 Boston Red Sox