Charitable organization founded by former New York Yankee Hideki Matsui in 2015 / 松井秀喜NPOの公式アカウントです。 Matsui 55 Baseball Foundation, Inc. is a charitable organization founded by former New York Yankee Hideki Matsui in 2015. TO HAVE AS MANY OF THE YOUTH AS POSSIBLE TO LEARN THE JOY OF PLAYING BASEBALL AND DEVELOPE A PASSION FOR THE GAME, WHILE PROMOTING THE IMPORTANCE OF CRITICAL THINKING SKILLS.