The Toronto Blue Jays will be sending starting pitcher Shane Bieber to the mound to face the Los Angeles Dodgers in Game 4 of the World Series at Dodgers Stadium on Tuesday, Oct. 28. And one thing we're sure everyone will be wondering is whether or not Bieber is related to singer Justin Bieber.

From Drake vs. Kendrick Lamar to the internal conflict of Canadian-born Michael Bublé, these are the boldface rivalries to watch this World Series.