A look at key statistics and story lines with help from our friends at ESPN Stats and Information, and the Elias Sports Bureau:
* Sunday bloody Sunday: Before rallying in the final six minutes for an 86-83 win over the Washington Wizards, the Celtics had lost three in a row on Sundays. Boston fell to the Nuggets, 114-105, on Feb. 21; the Magic, 96-89, on Feb. 7; and the Lakers, 90-89, on Jan. 31. For the season, Boston is 6-5 overall on Sunday. Boston's best day of the week? Tuesday, where the Celtics are 9-1 overall this season. Boston is also 3-1 on Saturday and would be spotless if not for that head-shaking loss to the Nets.
* RR slowed at the Q: Rajon Rondo's career scoring average at Quicken Loans Arena is a mere 7 points per game, his lowest at any NBA venue in which he's played at least five games, according to Elias.
* King James: LeBron James is one of only two players to average better than 30 points per game against the Celtics. in his career. James is averaging 30.4 points per game in 21 meetings with Boston, second only to Michael Jordan, who averaged 30.7 points per game in 56 contests. By comparison, James is three points better than the next closest active player (Dirk Nowitzki at 27.4 points per game against Boston, minimum five games played). The others in the top five: Allen Iverson (25.6), Kobe Bryant (24.8), and Shaquille O'Neal (24.3).
* Potential for blowout?: Boston hasn't endured too many lopsided losses since the Big Three united, but Cleveland has been behind two of them. The Celtics' 20-point loss to the Cavaliers on Feb. 25 wasn't even the worst of the bunch as Cleveland posted a 31-point triumph on April 12, 2009. Memphis' 20-point triumph Wednesday nigh at the TD Garden was the only other loss by 20 or more since the 2007-08 season.
* Cavs win race to 50: The Cavaliers were the first team in the NBA to reach 50 wins this season. In each of the past two seasons, the first team to 50 went on to win the NBA title, according to the Elias. Boston opened the 2007-08 season at 50-12, reaching 50 wins on March 10. The Lakers matched that record the following year on March 6. The Cavaliers stood at 50-15 on March 8.
For more on Sunday's game, check out our ABC Sunday Dime, with a handful of recent stories on the Celtics and Cavaliers.