Hayden makes his Park City debut during his tenth season of professional baseball. For the past three seasons, the former Major Leaguer pitched in Japan with Chiba Lotte. He compiled a 4-7 record in 16 starts while holding a 3.69 ERA in 92.2 total innings.

The 28-year-old was originally drafted by the Baltimore Orioles in 2002. He worked his way up the ranks and made is Major League debut May 28, 2005 at 20 years old. The righthander also started six more games with the Orioles in 2006. He made his way back to The Show in with the Florida Marlins in 2009 and Pittsburgh Pirates in 2010.

In 10 minor league seasons, Penn holds a 46-44 mark with a 3.91 ERA and nearly a three to one strikeout to walk ratio over the course of 151 games (141 starts).