Tuesday is Roberto Clemente Day throughout Major League Baseball, a day instituted on the 30th anniversary of his passing, and it will be testament to the fact that every year is a major anniversary for those who keep alive Clemente’s spirit of giving. MLB announced the names of the 30 club nominees, including nine 2012 All-Stars, who are candidates to receive the overall Roberto Clemente Award presented by Chevrolet at the World Series.