Cards wear No. 42 on Jackie Robinson Day
Charlie Blackmon, Rockies appreciate 75th anniversary of Jackie
Yankees' Mariano Rivera Is the Last No. 42 - The New York Times
Facts about Jackie Robinson, The Learning Key
What Is Jackie Robinson Day? Everything You Need to Know as MLB
Mr. Robinson Has His Day in Omaha
Why are MLB players wearing No. 42 jerseys today?
42' brings back Jackie Robinson memories - Newsday
Mets retire Willie Mays' No. 24 as Old-Timers' Day returns
Remembering Jackie Robinson's historic debut 75 years later - Good
Uncle Mike's Musings: A Yankees Blog and More: April 15, 1947: We