Which team is the Royals' biggest rival? - Royals Review
Jays' injury luck won't last forever. That will be the real test
The Bronx Pinstripes Show - Yankees Podcast, Bronx Pinstripes
Vlad Walks Off Yankees in 10th - Bluebird Banter
Yankees–Red Sox rivalry - Wikipedia
Yankees' rivalry with Blue Jays heating up
The St. Louis Cardinals' 29 greatest (and slightest) rivals
Talking baseball and glass ceilings with New York Yankees hitting coach Rachel Balkovec
Blue Jays beat Yankees, end New York's 11-game win streak - The Boston Globe
Pedro Martinez talks rivalry with New York Yankees in new book - Sports Illustrated
High and Tight: Our Rock & Roll Baseball Experts on the Biggest Ballpark Brawls