After watching Wily Mo Pena give them what they hope is a taste of things to come, the Chiba Lotte Marines fans in the visitor's section at Tokyo Dome could only stand and applaud.

And that was just for batting practice.

Pena, who signed with the Marines on June 6, put on a show during his first BP session with the ichi-gun team on Saturday, prior to Lotte's game against the Yomiuri Giants.