The Aims of the research was to identify the game-related statistics which discriminate between winning and losing Basketball teams in FIBA U-17 World Championship for Men, Lithuania, 2012, also Identify the game-related statistics for losing Egyptian Basketball team in the World championship. The researcher used descriptive survey curriculum. The Sample was (40) Games, (8) teams, (4) winning and (4) losing. The researcher used FIBA official Game-related statistics variables to achieve the aims of the research, in addition to the following variable; The Effective Field Goal Percentage, Offensive Rebounds Efficiency Percentage, Defensive Rebounds Efficiency Percentage, Ball possessions and Efficiency. The results allowed understanding the discriminatory power of game-related statistics and allow Basketball coaches to understand that winning team depends on certain variables as it appears in the research. These variables will help coaches to prepare practices according to this specificity and to be ready to control these variables in competition for players under 17, also results allowed coaches to be aware that dominating the following variables will increase the probability to win the games for Junior teams under 17 as: Height of players, Defensive Rebounds Efficiency Percentage, Free-Throws Made, Field-Goal Made, Field-Goal Attempted, The effective field goal percentage and 2 Points Attempted. The most effective statistics variables for losing Egyptian Basketball were height of players, Field-Goal Attempted, 3 Points Made, 3 Points Attempted, Assists, Turnovers and Ball possessions.