Wikipedia - LNB Pro B Leaders Cup

The LNB Pro B Leaders Cup is a professional national basketball cup competition that is played in a given LNB Pro B (French 2nd Division) season. The trophy is the second tier level of its type in France, being one tier blow the LNB Pro A Leaders Cup, in which teams from the LNB Pro A (French 1st Division) compete. The Pro B Leaders Cup was introduced in 2015, in order to give Pro B teams more to play for in a given season.