One new item this year is that game-used baseballs will feature special blue stitching made by Rawlings. It joins the blue-inspired lineup cards and blue base jewels. Both will be combined with the annual "Home Run Challenge" that allows fans to pledge a one-time monetary donation or pledge for each homer hit during the weekend.
As of this weekend, the Prostate Cancer Foundation has collected over $700 million in prostate cancer research, with the home runs having contributed around $45 million.
Jaylon Thompson is a reporter for MLB.com based in Atlanta. This story was not subject to the approval of Major League Baseball or its clubs.