five
In the court, while playing, five... the actual roster varies by team
there should be five players on each team and usually seven on the bench.
There are 5 players in a basketball team. There should be five players who start, but there are usually at least 12 total players. The starting five are the best of the team, but when they get tired, they need replacements and backup, which is where the other 7 come in, literally.
At least five players have to be on a basketball team for the whole team to play the game.
In the National League Championship Series, each team is allowed twenty-five members on the roster. This is no different from any other game during the regular season (before September 1), or any game in the post season.
There are ten players allowed on the court, five from each team. One of those five (two of the ten) are goalkeepers. There may be fewer at any given time due to roster shortages, red or yellow cards, of a player tending to an injury or equipment failure.
Chase Utley of the Philadelphia Phillies hit five homers in the 2009 World Series.
In the Majors, 25 from opening day until the end of August. That usually includes 5 starting pitchers, 6 relief pitchers, 8 starting position players, one extra catcher, and five bench players who can pinch hit, pinch run, become defensive substitutes in the later innings, and generally back up the starting position players. In September, the teams can expand their rosters up to 40, (to give some of the top minor league prospects whose seasons have ended a shot to play in the "bigs"). Playoff teams must reduce their roster back to 25 in October, and all of their players needed to be roster players for the team by Aug.1 to be eligible to play in the playoffs.
1998
Click on the 'Boston Red Stockings Roster' link on this page to go to a page that has links to their pitchers, position players, managers, and all statistics for them during their five year stay in the National Association.
The Philadelphia Phillies acquired Von Hayes in 1983, in a five-for-one trade with the Cleveland Indians. The players the Idians acquired in exchange for Haues were Manny Trillo, George Vukovich, Jay Baller, Jerry Willard, and Julio Franco.