Men's Senior Baseball League

What Men's Senior Baseball League does

Men's Senior Baseball League (MSBL), founded in 1988 by Steve Sigler, is a private membership-based amateur baseball organization that operates the largest network of adult hardball leagues in the United States. The organization serves adults aged 18 and older seeking to continue playing real baseball rather than softball, with age-stratified divisions spanning 18+, 25+, 35+, 45+, and 55+. Its core offering is league membership delivered through 325 local affiliates and 3,200 teams across every major US market plus Puerto Rico, the Netherlands, and Australia, supplemented by 30 regional tournaments and 6 national tournaments annually, including the MSBL/MABL World Series in Arizona (320+ teams across 30 divisions) and the Fall Classic in Florida—both played exclusively on MLB Spring Training fields.

The business operates a four-stream revenue model: individual player memberships, tournament registration fees, league affiliation fees paid by local operators, and merchandise/apparel sales through official partnerships with Athletic Knit (uniforms) and Game One (MSBL Logo Store). Tournament events such as the World Series, Fall Classic, Holiday Classic, Desert Classic, Las Vegas Kickoff Classic, and Las Vegas Open function as both core products and primary engagement mechanisms. Distribution runs through the 325-affiliate reseller network, with awareness driven by earned media (Sports Illustrated, USA Today, Today Show, Good Morning America), organic social channels, and the "Barrel It Up" podcast. The organization is privately held with no disclosed outside capital, no parent company, and a lean leadership team consisting of Founder/President Steve Sigler and Director of Communications Steve LaMontia-Carlentini; there is no technology platform or AI capability central to operations, making this fundamentally a community and events business.

Name

Men's Senior Baseball League

Legal name

Men's Senior Baseball league

Website

https://msblnational.com

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

1–10 employees

Short description

Men's Senior Baseball League (MSBL) is a private amateur baseball organization founded in 1988, operating 325 local affiliates, 3,200 teams, and 45,000 members across the US and abroad, serving adults 18+ through age-stratified hardball leagues and a national tournament circuit anchored by the Arizona World Series.

Ownership category

akta.pro rank

Product category

Recreational Sports Leagues

NAICS

Sports Teams and Clubs (711211)

SIC

Services-Membership Sports & Recreation Clubs (7997)

akta.pro primary industry

Amateur & Grassroots Sport Associations (Community/Youth Governing Orgs) (MPAKAFAF)

akta.pro secondary industry

Local Amateur Clubs & Community Sports Organizations (MPAKACAE)

Keywords

• Adult baseball leagues
• Amateur baseball tournaments
• Recreational sports leagues
• Baseball membership programs
• Organized baseball competitions

Headquarters

HQ city

Melville

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Marketing or Sales, Personnel, Infrastructure, Supply Chain, Technology or R&D, Others

Revenue model

1. Membership Fees: Individual player memberships that make players eligible for regional and national tournaments, with discounts on products and services including baseball equipment, insurance plans, and other baseball/personal needs.
2. Uniform and Apparel Sales: Revenue from official partnership with Athletic Knit and Game One for team uniforms and MSBL merchandise through the MSBL Logo Store.
3. Tournament Registration Fees: Fees for participation in regional and national tournaments including the World Series, Fall Classic, Holiday Classic, Desert Classic, and various regional events.
4. League Affiliation Fees: Local league affiliates pay fees for national organization benefits including liability insurance, baseballs, equipment, and use of MSBL reputation and logo.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Men's Senior Baseball League (MSBL) is a membership-based amateur baseball organization that operates organized adult baseball leagues and tournaments through a network of 325 local affiliates across the United States and abroad. The organization serves adults aged 18+ in multiple age-bracketed divisions (18+, 25+, 35+, 45+, 55+) and runs 30 regional and 6 national tournaments annually, including a World Series held on MLB Spring Training fields. MSBL also generates revenue through merchandise sales via the MSBL Logo Store and official team uniform partnerships.

Product overview

Men's Senior Baseball League (MSBL)/Men's Adult Baseball League (MABL) is a membership-based amateur baseball organization providing organized adult baseball leagues, tournaments, and national events. The core product is league membership (MSBL/MABL) with 325 local affiliates, 3,200 teams, and 45,000 members. The organization operates major national tournaments including the World Series in Arizona and Fall Classic in Florida (both held at MLB Spring Training facilities), plus the Holiday Classic, Desert Classic, Las Vegas Kickoff Classic, Las Vegas Open, Rocky Mountain Baseball Bash, and Sunshine Classic. Supporting services include the Player Pool for team-player matching, an Official Team Uniforms Program via Athletic Knit partnership, the MSBL Logo Store merchandise shop, the Barrel It Up podcast, and a National Insurance Program for member leagues.

Differentiator

Problem solved

Functional benefit

Products and services

• MSBL/MABL League Membership Annual individual player membership granting eligibility to participate in local league play, regional tournaments, and national tournaments, plus discounts on baseball equipment, insurance plans, and personal services.
• MSBL/MABL World Series (Arizona) Annual national tournament held in Arizona on MLB Spring Training fields, hosting over 320 teams across 30 separate divisions, recognized as the largest amateur baseball tournament in the world.
• MSBL Fall Classic (Florida) Annual national tournament held in October/November in Florida, played on MLB Spring Training fields and stadiums.
• MSBL Holiday Classic

Quantifiable outcome

• Fastest-growing adult baseball organization in the country with 45,000 members and 325 affiliates
• +2 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Six partnerships are on record, tiered core and minor.

• Game OnecoreOEM/ Whitelabel/ Licensing Partner · 31 January 2025Official partnership for MSBL team uniforms and merchandise. Game One provides apparel and uniform services for the MSBL Logo Store, offering official MSBL merchandise to members and fans.
• Athletic KnitcoreOEM/ Whitelabel/ Licensing Partner · 31 January 2025Official uniform company of the Men's Senior Baseball League. Athletic Knit is a team uniform manufacturer offering the largest in-stock programs. MSBL teams can design and customize uniforms through a dedicated portal with username [email protected].
• Tunnel to Towers FoundationcoreGTM or Marketing PartnerMSBL's official charity for 2025. The league collectively raises funds for the Tunnel to Towers Foundation which builds mortgage-free smart homes for catastrophically injured veterans and first responders. Individual leagues track and report their charitable contributions.
• MarucciminorGTM or Marketing PartnerExclusive MSBL member discounts on Marucci wood bats and equipment. Members receive 25% off any wood bats with code MSBLJUNE26 and ongoing site-wide discounts.
• High School, College, and Municipal FieldscoreStrategic or Co-development PartnerMSBL establishes long-term working relationships for use of baseball fields. The league plays a constructive role in maintaining fields and involves members in activities supporting school baseball programs.
• MLB Spring Training FacilitiescoreStrategic or Co-development PartnerMSBL World Series and Fall Classic take place every October/November in Arizona and Florida, playing exclusively on MLB Spring Training fields and stadiums, providing premium venue access for amateur players.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Market position

Strengths4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xtwitter.com/MSBL_National
• Facebookfacebook.com/adultbaseball

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Men's Senior Baseball League