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Thunder Baseball League
Spring Baseball 2019


Thunder Baseball League, is about promoting good character, developing young players skills in a positive manner and preparing for high school baseball and beyond. Below are a few points to help your family transition into Thunder Baseball, Broomfield’s fastest growing competitive baseball association. 

Practices for spring baseball may begin indoors at the Thunder Academy early to mid 
January, this varies by age and level of play.

Thunder Academy indoor cage time is shared amongst all Thunder branded teams. 

Rocky Mountain Junior Baseball League (RMJBL) focuses on ages 8-14 year old youth players. 
The 14 year old teams season is from late March-mid-May coordinate with the start of H.S. legion programs.
Thirteen (13) year old and younger seasons run from April to the end of June;
with the possibility of a post season State tournament in late June or early July.

The players and team talent determine the RMJBL level of play: AAA, AA, 
and/or Thunder Academy, and/or Machine pitch. The Director of Baseball Operations and 
his committee will make the final determination.

Rosters are typically 11-12 players; it is important that players make every effort to attend 
practices and games. Baseball is a team sport and a missing player effects both preparation 
and performance of the entire team.

 Many teams participate in weekend tournaments in addition to normal league play.
The number of tournaments will be determined by the head coach with team input.

Some tournaments may require travel to destinations throughout CO or out of state. 

Thunder provides bases, pitching rubber, catchers gear, batting helmets, two dozen game balls
and an equipment bag. Additional equipment may need to be purchased by the coach or team.

Many teams engage in fundraising to offset the cost of tournaments and additional 
equipment. All families are expected to participate if fundraising occurs.
Fundraising may not cover all costs for tournaments in which case player’s families are responsible for tournament fees.

Each team has an identified team manager that helps communicate coaches’ expectations 
and coordinate team events (tournaments, practices, etc.). This enables the Head coach to 
focus on teaching and developing the players. 

There may be times during the season when games and practices are held 4-5 times per 
week because of weather related rescheduled games and/or weekend tournaments.

Each team is a community of families that are dependent on each other and need to work 
together in providing an enjoyable and rewarding experience for all the players.
Keep all interactions positive and help make baseball fun!
Review Thunder Baseball philosophy documents that describe in more detail expectations of 
parents and coaches for different levels (Open/Majors, AAA, AA).

Thunder offers an eight (8) and under machine pitch program that is completely separate 
from RMJBL league play.  See “Machine Pitch Program” for more information.

Thunder Baseball League offers a Fall Ball League that begins in late August and runs 
through mid-October. See “Fall Ball Program” for more information.