Complex sentence: Labatt Breweries was bought by Belgian-based brewer Interbrew (now InBev), making the Blue Jays the second baseball team owned by interests outside of North America, after the Blue Jays' expansion cousins, the Seattle Mariners.
Split into simpler sentences: Labatt Breweries was bought by Belgian-based brewer Interbrew (now InBev), making the Blue Jays the second baseball team owned by interests outside of North America. Interestingly, the first was the Blue Jays' expansion cousins, the Seattle Mariners.