From the pinstripes of New York to the Dodger blues of Los Angeles, there is a strong connection among the clubhouse staffers who wash the uniforms of the major leagues. Just like the players who wear the jerseys. Riley Halpin, a clubhouse attendant for the San Francisco Giants, says the clubhouse community is really close. When it comes to washing the jerseys of your favorite baseball players at home, clubhouse workers emphasize the importance of pretreating and patience.