Boston Redsox 6/4/11 Vs San Diego Padres Game Used MLB Baseball (Actually Used In This MLB Game) Steiner Sports Certified. This ball was actually used in said game. Please note: Condition of each ball is different as we have multiple for this date. Also condition of coa paper will be folded or creased. This is dual certified by Steiner sports and MLB baseball which both can be accesssed on their websites showing the game data.