Joliet Slammers

The Joliet Slammers are members of the Frontier League, an Official MLB Partner League. The Frontier League is the oldest continuously operating independent professional league, in its 28th season in 2021. For more information about the Frontier League visit www.frontierleague.com. We’ve created this page so you can learn more about what’s happening at the Joliet Slammers, we can read your comments, criticism and praise and we can respond to your feedback. We also want you to connect with other Slammers fans.