Charles Krupa, Associated Press
Boston Celtics guard Isaiah Thomas makes a pass while sprawled on the floor as Washington Wizards forward Otto Porter Jr., top, defends during the second quarter of Game 7 of a second-round NBA basketball playoff series, Monday, May 15, 2017, in Boston.
BOSTON — Isaiah Thomas scored 29 points and had 12 assists, Kelly Olynyk scored a career-playoff high 26 points and the Boston Celtics used a big fourth quarter to outlast the Washington Wizards 115-105 in Game 7 of the Eastern Conference semifinals Monday night.