In 2014–15, Horford played in 76 regular season games, the most since the 2010–11 season. On December 22, 2014, he was named Eastern Conference Player of the Week for games played Monday, December 15 through Sunday, December 21. He earned the award for just the second time in his career. On January 13, 2015, he recorded his first career triple-double with 21 points, 10 rebounds and 10 assists in a 105–87 win over the Philadelphia 76ers. Six days later, he was named Eastern Conference Player of the Week for games played Monday, January 12 through Sunday, January 18. On January 29, he earned his third All-Star nod as a reserve for the Eastern Conference in the 2015 NBA All-Star Game. In a brilliant stretch of play from December 7 to January 31, Horford scored in double digits in 28 consecutive games. Between December and January, the Hawks went 28–2 and had a franchise-best 19 game winning streak. Behind Horford and fellow All-Star teammates Paul Millsap, Kyle Korver and Jeff Teague, the Hawks finished the regular season with the best record in the East at 60–22, and advanced through to the Eastern Conference Finals for the first time in franchise history. There they were defeated by the Cleveland Cavaliers in four games.