Wily Mo Pena played in MLB for the Cincinnati Reds, Boston Red Sox, Washington Nationals, Arizona Diamondbacks and Seattle Mariners. He was considered a pure power hitter best known for his long-distance home runs and high strikeout rate. Wily Mo Pena has hand signed this Official Rawlings Major League Baseball (Selig).Item includes a numbered tamper-evident authentication hologram and Certificate of Authenticity with online verification. Pristine Bold Blue Sweet Spot Signature.