Possible Clues:

• Durable Oriole great
• See 41-Across
• Cal — Jr. (baseball's "Iron Man")
• Cal — (baseball's "Iron Man")
• All-Century Team shortstop
• Cal — (baseball's 'Iron Man')
• Cal (baseball's 'Iron Man')
• Cal with the MLB consecutive-game record
• Baseball's Iron Man
• 1982 A.L. Rookie of the Year