J.C. Aguilar, left, pretends to catch a ball while his father, Mario Aguilar, center, looks on, as they waited for the gates to open for the first game of the season of the Joliet Slammers at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Fans watch fireworks as team members get their championship rings during the first game of the season of the Joliet Slammers at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Joliet Slammers manager Bart Zeller (right) hugs Erik Lis during a pregame ring ceremony Tuesday night at Silver Cross Field in Joliet. | Matt Marton~Sun-Times Media

Fans take photos of the team members getting their championship rings during the first game of the season of the Joliet Slammers at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Team members watch a new banner beaing raised after getting their championship rings during the first game of the season of the Joliet Slammers at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Fans Tim Worst signals "go for two," to team members after they got their championship rings during the first game of the season of the Joliet Slammers at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Fans enter the gates to open the first game of the season of the Joliet Slammers at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Joliet Slammers team member Hector Pellot shows off his Frontier League Championship ring after getting it with teammates before the first game of the season at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Joliet Slammers team member Hector Pellot shows off his Frontier League Championship ring after getting it with teammates before the first game of the season at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

A Joliet Slammers team member shows off his Frontier League Championship ring after getting it with teammates before the first game of the season at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Fans enter the gates to open the first game of the season of the Joliet Slammers at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Joliet Slammers team members Ben Hewett, Erik Lis and Chuck lukanen laugh after getting their Frontier League Championship rings before the first game of the season at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media

Joliet Slammers team members congratulate themselves over their Frontier League Championship ring after getting them before the first game of the season at Silver Cross Field in Joliet, IL on Tuesday May 22, 2012. | Matt Marton~Sun-Times Media