He played professionally in Japan, the United States, Spain and Australia, including two seasons in the Australian National Basketball League (NBL).
Calvary, a 6'8 forward/center from Bellarmine Preparatory School in Tacoma, Washington, played collegiate basketball at Gonzaga University.
In his Gonzaga career, Calvary scored 1,509 points and grabbed 757 rebounds, placing him in the Zags' all-time top ten in both categories at the time of his graduation.
From there, he played in France for ÉS Chalon-sur-Saône and in the U.S. in the Continental Basketball Association's Idaho Stampede.
Calvary then played two seasons for the Townsville Crocodiles of the Australian NBL, and was named a league All-Star in 2005.