The phrase "club championships" refers to competitions or tournaments held within a club where members compete against each other to determine the best player or team in a particular sport or activity. Full definition
He will leave Barca before Messi imo, after he wins the world club championship with Barca den hes won all he can there tbh! (justarsenal.com)
The bitterness of the situation was fully exposed when Celtic went to South America in November to settle the so - called world club championship with the South American champions, Racing Club of Argentina. (si.com)
Trying to avoid a repeat of the Koepka boys dominating the Sherbrooke club championships, the club decided not to let Chase play in the events when his time came around. (sbnation.com)