7 in their second-round series against the Boston Celtics after hitting the game-winning 3-pointer with 3.5 seconds left in Game 6, lifting the Wizards to a 92–91 win. He finished the game with 26 points. The Wizards went on to lose Game 7 despite Wall's 18 points and 11 assists, as they bowed out of the playoffs with a 4–3 defeat. Dealing with injuries (2017–2020) On July 26, 2017, Wall signed a four-year, $170 million contract extension with the Wizards. Wall missed nine games in late November and early December with a knee injury; the Wizards went 4–5 in that time. On January 6, he recorded 16 points and a season-high 16 assists against the Milwaukee Bucks. On January 12, he scored 30 points in a 125–119 win over the Orlando Magic, becoming the youngest player (27 years, 128 days) in franchise history to reach 10,000 points for his career. The next day, he scored 17 of his 23 points in the second half and overtime, and tied a season high with 16 assists in the Wizards' 119–113 victory over the Brooklyn Nets. On January 30, 2018, he was sidelined for the next six-to-eight weeks due to his troublesome left knee requiring surgery. He missed two months with the injury, returning to action on March 31 against the Charlotte Hornets and recording 15 points and 14 assists in a 107–93 win. On April 10, he recorded 29 points and 12 assists in a 113–101 win over the Boston Celtics, thus surpassing 5,000 career assists. In Game 3 of the Wizards' first-round playoff series against the Toronto Raptors, Wall recorded 28 points and 14 assists, as the Wizards cut the series deficit to 2–1 with a 122–103 win. In Game 4, Wall recorded 27 points and 14 assists in a 106–98 win, helping the Wizards tie the series at 2–2. The Wizards went on to lose the series in six games despite Wall's 23 points and eight assists in a 102–92 loss in Game 6. On November 26, 2018, in a 135–131 overtime win over the Houston Rockets, Wall passed Wes Unseld for third place on the franchise career scoring list. On December 16, he recorded 40 points and 14 assists in a 128–110 win over the Los Angeles Lakers. On December 29, he was ruled out for the rest of the season with a left heel injury. After initially undergoing