Why are MLB players wearing No. 42 jerseys today?
Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune
Major League Baseball honored Jackie Robinson with players, coaches and umpires all wearing Robinson's uniform number, 42. Here, Boston Red Sox first baseman Kevin Youkilis, left, mans the bag along with Minnesota
Do MLB players have to wear numbers on their uniforms? - Quora
MORE
Last player to wear No. 42 for each MLB team
No. 42 jersey tribute began in 2007 with Griffey
All MLB Teams Wearing No. 42 In Dodger Blue On Jackie Robinson Day
Jackie Robinson's Long Fight Against Discrimination, by Seth S. Tannenbaum, Weekend Caucus
MLB celebrates timely Jackie Robinson Day
The only day MLB players can wear No. 42? Jackie Robinson Day
Players, Coaches, Umpires Wearing No. 42 to Honor Jackie Robinson
South Jersey coach teaches unity, history through Jackie Robinson
Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune
