Jr. '64 Commons, a large space in which students can work on assignments, as well as collaborate with students on group assignments, projects, etc. The Commons was constructed in June, 2015, and it opened for students in September, 2015. Athletics In one of the oldest Catholic school football rivalries in the country, dating back to 1920, Calvert Hall faces its arch-rival, Loyola Blakefield, in the annual Turkey Bowl game at M&T Bank Stadium in Baltimore. Before M&T Bank Stadium was opened, the game was played at the old Memorial Stadium. CHC participates in the Maryland Interscholastic Athletic Association 'A' conference in all its sports, along with the Baltimore Catholic League for basketball. Calvert Hall's team sports program includes baseball, cross country, water polo, lacrosse, rugby, football, swimming, and more recently, hockey. The Calvert Hall baseball team has won the previous conference championships including a 4–2 victory over Gilman in 2013. On March 18, 2008 moved up to the #1 team ranking by USA Today in high school baseball. On April 7, 2008, the school's Carlo Crispino Baseball Stadium was dedicated. Named after an alumnus of that name who donated $1 million for the state-of-the-art facility, the stadium has a covered grandstand and FieldTurf, designed by Cal Ripken. Other former Baltimore Orioles attending the ceremonies were Bill Ripken and Billy Hunter. The water polo squad has won every MIAA championship with the exception of the inaugural game in 2000, which was won by the Gilman School and in 2009 when they lost to Loyola Blakefield. Calvert Hall Varsity water polo has gone undefeated in the MIAA for the last seven years. Calvert Hall has also had success in the Eastern Prep Championships of water polo, winning the last three, at the Lawrenceville School in New Jersey. Calvert Hall is also represented in tennis, cross country, lacrosse, soccer, volleyball, hockey, indoor track and field, outdoor track and field, rugby, golf, wrestling, swimming, basketball, and by their competitive marching band. The Calvert Hall basketball team ended the 1981–82 season as National Champions. The team was ranked #1 after defeating Dunbar High School in a triple overtime thriller the previous season. The Calvert Hall lacrosse team was ranked #2 nationwide by Lax Power at the end of the 2011-12 after winning the MIAA championship against Loyola 17–3. They were ranked #3 before the 2012–2013 season and fell 12–10 to then #1 Boy's Latin in