Cal Ripken Sr. - Wikipedia
Cal Ripken Jr. - Wikipedia
Orioles Hall of Famer Cal Ripken Jr. - What's Up? Media
Cal Ripken says he's cancer free after March surgery
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Cal Ripken Sr. - Wikipedia
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Baltimore Orioles - Wikipedia
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Cal Ripken Jr. - Wikipedia
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Just Show Up: And Other Enduring Values from Baseball's Iron Man: 9780062906748: Ripken Jr., Cal, Dale, James: Books
Cal Ripken Sr. – Society for American Baseball Research
Baltimore Orioles - Wikipedia
Baltimore Orioles - Wikipedia