Mariano Rivera threw out the first pitch before ALDS Game 4 and, naturally, it was a cutter
CP Mariano Rivera pitching mechanics
Mariano Rivera, legendary Yankees closer, through the years – New York Daily News
Learn How To Throw Mariano Rivera's Cutter - Slow Motion Close Up Pitching Mechanics Yankees
Mariano Rivera III isn't his dad, which is fine by him - ESPN
Mariano Rivera's Cutter and the Nastiest Pitches in Baseball, News, Scores, Highlights, Stats, and Rumors
Hall of Famer Mariano Rivera's cutter was a gift from God - The Rally Caps
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POLL: Is Mariano Rivera the greatest pitcher in baseball history? » Baseball-Reference Blog » Blog Archive
Mariano Rivera pitches batting practice at the New York Yankees' News Photo - Getty Images
Mariano Rivera, legendary Yankees closer, through the years – New York Daily News
Mariano Rivera selected to Baseball HOF by unanimous decision - Sports Collectors Digest
How Mariano Rivera Compares to Baseball's Best Closers - Graphic