Sport in the Dominican Republic and the championship game that year brought in over $7,000 and commercial pressures led to the sport becoming a semi-profession in the Dominican Republic. Rafael Trujillo became president of the Dominican Republic in 1930 and he helped baseball soar in popularity as the sport gained a political connection. By the end of the 1930s, many of the finest Negro League players from the United States and Cuban players played baseball in the summer in the Dominican Republic as they were paid a fortune in order to come play. Jackie Robinson broke the color barrier in Major League Baseball in 1947
Professional sports leagues in the United States each year since 2004. Major League Lacrosse (MLL) is a men's field lacrosse league consisting of nine teams in the United States. Founded in 1999, the league's inaugural season was in 2001. MLL averaged 3,844 spectators per game during the 2017 season. MLL is a semi-professional league. MLL players reportedly earn annual salaries in the $10,000–$25,000 range; players and staff generally hold other jobs. The Arena Football League is the highest level of play in the indoor/arena styles of gridiron football. The sport is played in an indoor arena on a much smaller field than American football. The league was