Don't Go Soft, Play Hardball!

SJMSBL League History

Established: 1988
Location: San José, CA
Teams: 20 (2019)
Divisions: Dunn (18+ Wood), Ettare (25+ Wood)

The San José Men's Senior Baseball League (SJMSBL) formed in 1988 and is one of over 325 leagues nationwide associated with the national Men's Senior Baseball League (MSBL). The league features players at least 18 years of age playing an 18-20 game season.

The national MSBL organization has in excess of 45,000 players on 3,200 teams.

The San José MSBL features some of the best ballplayers in the world! Every October and November San José sends its premier players to Phoenix, Arizona where over 320 teams from across the country and world compete for MSBL World Series titles. San José MSBL has won 16 titles in multiple divisions and particpated in 30 championship games during 31 years of MSBL World Series competition.


In 2012, the league went through division realignment and honary renaming. The National division was renamed Dunn after founder and former President Ron Dunn. The American and Pacific divisions merged to form the Ettare division in honor of longtime manager and board member Robert Ettare. The Atlantic division was renamed Nicewonger after former Umpire in Chief Dave Nicewonger who lost his battle with cancer in March 2011.

In 2019, the Nicewonger division merged into the Dunn division.