The Cavaliers fell behind by 19 points in the third quarter and couldn't recover in dropping their third straight.
Alonzo Gee tied his career high with 20 points and Kyrie Irving had 19 points and 10 assists for the Cavs, who were playing their first game since trading backup point guard Ramon Sessions to the Los Angeles Lakers at the trade deadline. The Cavs used a 10-0 run late in the third quarter to close the deficit to 76-68 entering the fourth, but didn't score over the first three minutes of the fourth quarter.
Joe Johnson had 28 points and Jeff Teague had 18 for the Hawks, who have pounded the Cavs now twice this season.
Tristan Thompson had seven points and six rebounds in his first career start and Antawn Jamison had 17 points, but shot just 6 of 22. The Cavs play at New Jersey on Monday night.