Canadian gained a measure of revenge they’ve waited a year for on Tuesday night, making a major statement in the process. The Lady Cats knocked off Shallowater 51-45 during a Class 3A regional quarterfinal showdown of state-ranked teams, in what was an electrifying atmosphere at Amarillo’s Caprock Activity Center. The No. 1-ranked Lady Cats defended their top ranking, thanks to clutch shot after…