Despite popular misconception, Supreme Court 9-0 rulings aren’t that rare

In one of the final decisions of its current term, the Supreme Court unanimously ruled against the National Collegiate Athletic Association in a closely watched case, concluding that the NCAA could not prevent certain payments to college athletes, thus putting the longstanding amateur model of college sports in jeopardy.

After the ruling was announced, Trey Wingo, a former ESPN host and commentator, sent a tweet that sought to encapsulate how stunning the Supreme Court’s 9-0 decision was.

“A 9-0 Supreme Court ruling is the equivalent of finding a unicorn and...