Jalen Johnson recorded the first triple-double of his career and the Atlanta Hawks clinched a spot in the play-in tournament with a 121-113 win over the visiting Detroit Pistons on Wednesday.Johnson scored a career-high-tying 28 points on 10-for-14 shooting while grabbing 14 rebounds and dishing out a career-high 11 assists. It is the first triple-double by an Atlanta player this season. Johnson also had four steals and one block.Dejounte Murray was the last Hawk to record a triple-double, doing so on Nov. 5, 2022.The Pistons (13-63) stayed close because of a 50-point performance by Malachi Flynn. He was 18-for-25 from the field, hitting five 3-pointers, and set a franchise record for most points scored by a reserve.The Hawks (36-40), winners of six of their past seven games, moved into a tie with the idle Chicago Bulls for ninth place in the Eastern Conference. The victory gave Atlanta a three-game sweep of the season series with the Pistons and extended their winning streak vs. Detroit to seven games.Atlanta also got 26 points and seven rebounds from De’Andre Hunter, and Murray had 24 points and 11 assists. Clint Capela also had a double-double with 11 points and 16 boards.