The Detroit Pistons have secured at least a play-in berth in the Eastern Conference playoffs.Now, they want more.Detroit (42-32) can improve its chances for a top-six playoff seed when it tips off against the Minnesota Timberwolves (42-32) on Sunday evening in Minneapolis.The Pistons have won three games in a row and five of their past six contests. They have won their last three contests despite the injury absence of top player Cade Cunningham, who has sat out because of a bruised calf.Cunningham’s status is uncertain for Sunday.Either way, Pistons coach J.B. Bickerstaff said his players would compete. That proved true in Detroit’s most recent game, a 133-122 victory over the Cleveland Cavaliers on Friday night.The Pistons have tripled their win total from a season ago.”It’s just grit,” Bickerstaff said. “It’s a willingness to do whatever it takes to win a game and win it together.”Detroit’s next test will come against the Timberwolves, who have alternated losses and victories over the past four games. Minnesota coasted to a 124-109 win over the Phoenix Suns on Friday night and now will aim for back-to-back victories for the first time since mid-March.Timberwolves guard Mike Conley said the latest win offered hope — and questions.”It’s motivating and frustrating at the same time,” Conley said. “It honestly is. Because you look up and think, ‘Why weren’t we doing that all season? Why weren’t we doing that every game?'”Timberwolves center Rudy Gobert agreed.”We are our biggest opponent,” Gobert said. “We get a little complacent. When people start saying we’re good and when the odds are with us, that’s when we’re not as good. …