ML All-Star Players Beyond Playing Just one Year 1 2 3 4 5 6 13 14 15 16 17 18 19 20 21 22 23 24 7 8 9 10 11 12 # Since 1933 Major League baseball introduced a game in the middle of the season that represents a hand picked sample of some of the best baseball players in theleague. This once-a-year game, called the All-Star Game, is also known as"The Mid-Summer Classic".The selection of players has typically been based on fans votesand managerial selections. While many fans' opinions are stronglycorrelated to the actual top-performing player at their given position,the reality is, the starting All-Star team is more significantly based on popularity. Managers have typically been defined as the manager of thewinning teams from both the National and American Leagues of the previous season. MLB All-Stars Playing beyond one mid-summer classic 1592Players   Played as an All-Star Data Source: From 1933-2011 There are 1,592 MLB Players to ever play in the All-Star Game Total years played in an All-Star Game Their Hometowns