List of Major League Baseball retired numbers - Wikipedia
Italian Americans At Bat: From Sandlots to the Major Leagues by Mary Steiner - Issuu
Blue Jays retire Roy Halladay's No. 32 before Opening Day game vs. Yankees – New York Daily News
MLB expands list of who can wear No. 21 to honor Roberto Clemente on Sept. 15 - ESPN
My Word: Jackie Robinson's legacy has transcended baseball
Blue Jays retire Roy Halladay's No. 32 before Opening Day game vs. Yankees – New York Daily News
Here's why it would be a bad idea for MLB to retire Roberto Clemente's No. 21
Dodgers Dugout: Here's one of the many problems with the All-Star Game - Los Angeles Times
Report: Puerto Rican MLB Players Allowed to Wear No. 21 on Roberto Clemente Day, News, Scores, Highlights, Stats, and Rumors
MLB's Pirates will honor Roberto Clemente by wearing his number
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
Knuckleballer Tim Wakefield has died at 57, Sports
MLB
TRIBUTE TO 42: Clarion-Limestone's Logan Lutz Dons Jackie Robinson's Number to Honor MLB Trailblazer's Legacy –