Quiz time: Do you know if these numbers are retired by a Major League team?

Certain uniform numbers are etched into baseball history: Ruth's No. 3, Mays' No. 24, Aaron's No. 44. But those icons are far from the only ones to have their jerseys retired by a Major League team. How well do you know that exclusive fraternity? Below are nine numbers -- you tell us whether they've been hung from the rafters or not.