Green Line Rivalry

The Green Line Rivalry, also known as the B-Line Rivalry, the Battle of Boston and Battle of Commonwealth Avenue , is the name for the sports rivalry between Boston College and Boston University. The rivalry is named after the trolley line that runs along Commonwealth Avenue and links the two schools as part of the MBTA, Boston's subway system. The two campuses lie less than five miles apart.

The Green Line Rivalry is considered one of the top rivalries in college sports and first among college hockey rivalries. In 2005, Sports Illustrated went as far as calling it "the greatest rivalry in all of sports."

Ice hockey
With 18 NCAA championship game appearances between them, including a matchup in the 1978 championship game, Boston College and Boston University both field perennially competitive collegiate ice hockey teams and compete in the same league, Hockey East. The two teams meet at least three times annually as part of their regular Hockey East season schedule and often also meet in the Hockey East and NCAA postseason tournaments. Additionally, each first and second Monday in February, BC and BU, along with Harvard and Northeastern, take part in the annual Beanpot Tournament where the Eagles and Terriers usually square off in the championship game. BC has won the national championship four times (1949, 2001, 2008, 2010); BU has won five times (1971, 1972, 1978, 1995, 2009). Hockey is the main rivalry between the two schools. The series dates to 1918, when BU first began playing hockey and played its lone game that year against BC. Since then, no other opponent has appeared on either teams' schedule more often. The schools have met 250 times; BU leads the series 125-108-17.

Game results
''Boston College victories are shaded ██ gold. Boston University victories are shaded ██ red. Ties are shaded white.''

Football
"The Green Line Rivalry" originally referred to the football rivalry between the schools, a series begun in 1893 and played annually from 1928-1942 and 1954-1962. With BC leading the series 27-4-1, BU discontinued the rivalry after the 1962 season. BU eventually terminated its football program in 1997.

Other sports
The Green Line Rivalry has also come to refer to the rivalry between BC and BU in other sports. In soccer, the two schools regularly open the season against each other with the expectation of large freshman-filled crowds.