Mary Pierce and Shelby Cannon, share which occupation?
Mary Pierce Mary Pierce (born 15 January 1975) is a French retired tennis professional who played on the Women's Tennis Association (WTA) tour. Born in Canada, she is a citizen of Canada, and the United States. Pierce played for France in team competitions and in the Olympics.
Robert C. Cannon Robert C. Cannon (June 10, 1917 – October 22, 2008) was a Presiding Judge of the Wisconsin Court of Appeals, Vice President of the Milwaukee Brewers and Legal Advisor to the Major League Baseball Players Association.