<prompt> Kuzalisha toleo ngumu zaidi ya sentensi hii Msimu wa 2011 wa Major League Baseball ulikuwa msimu wa 142 wa Major League Baseball.  <response>: Bila shaka, toleo ngumu zaidi ya hukumu ni 2011 Major League Baseball msimu ilianza Alhamisi, Machi 31, na kumalizika Jumatano, Septemba 28. 