Brayan Bello learning from Pedro Martinez
Pedro Martinez, Randy Johnson highlight four voted into Baseball Hall of Fame; Mike Piazza again denied – New York Daily News
Pedro Martinez Explains Why Brayan Bello's Worth Hype, How He Can Become Ace - Sports Illustrated Inside The Red Sox
What does Pedro Martinez think about Brayan Bello? Another Pedro with better stuff - Boston Baseball
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Mazz: What Pedro Martinez is saying (or texting) about Brayan Bello