These programs are designed for Top Performing High School Players to compete in “THE” competitive summer league as well as travel to high profile national tournaments, gain exposure and be seen by pro and college scouts. The program is made up of 6-8 teams, each with an 17-18 man roster.

Rosters will be expanded if teams advance in State and Regional Connie Mack tournaments.

Connie Mack Coaches:

Mark Holzemer
Clint Zavaras
Billy Martin
Jeff Jenkins
DJ Heller
Bob Smith
Mark Mouton
Marco Gonzalez

Bryant Asnicar
Chuck Gillman
Darryl Milne
John Quarton
Scott Bauer
Travis Cruz
Earl Loseke
Ay Aderson 


Major League Instruction:
Slammers Coaches and instructors have over 70 years of professional playing and coaching experience.

Colorado’s Premier Indoor Training Facility:
Connie Mack players get complete access to the state’s most comprehensive indoor training facilities for pregame batting practice, bullpen sessions and weight training.

National Exposure:
Slammers competes in National tournaments across the country that give our players an opportunity to show their skills to scouts outside our region.

Each Slammers Connie Mack Player will receive a uniform from Under Armour or Nike: 1 uniform top (that will be returned at the end of the program), game pants, hat, belt and socks.

Please go to for league standings throughout the season.