Washington, who scored 15 of his points in the first half, shot 8 of 12 from the field while Baron was 7 of 14.
After Washington's jumper put Canisius (1-0) ahead 14-6 with 13:39 left to play in the first half, Boston used a 13-9 run to cut the deficit to 23-19. However, Washington scored seven straight to put the Griffins up 31-19.
Boston attempted to rally in the second half -- scoring as many points over the first seven minutes (28) as they did the entire first half. But after cutting the deficit to 73-70 with 2:54 left to play, the Terriers made just two of their last five shots while the Griffins sank seven free throws in the final minute.
D.J. Irving led Boston (0-2) with 20 points.
NCAA title-game hero Kris Jenkins says he will withdraw his name for the NBA draft and will return to Villanova for his senior season.
Andy Katz breaks down the likelihood of Villanova, Syracuse, North Carolina or Oklahoma making a run to the Final Four next season.
Florida State has announced that Xavier Rathan-Mayes will return to the court for his junior season. The 6-foot-4 guard declared for the NBA draft last month but did not hire an agent.