Lindgren is a defensive defenseman who plays physically.[1] He was drafted by the Boston Bruins with the 49th pick in the second round of the 2016 NHL entry draft, a pick they received in exchange for Johnny Boychuk.[2]
After spending the first half of the 2018–19 season with the Wolf Pack, he was called up by the Rangers for their January 15, 2019, game against the Carolina Hurricanes.[6] He was returned to Hartford on January 19, after playing three games for the Rangers.[7] On May 10, 2021, Lindgren signed a three-year contract with the Rangers.[8]
During the 2022–23 season, in 63 games played, Lindgren has recorded a career-high in assists (17) and points (18), while tallying a team-high plus-29 rating. He blocked 91 shots, the fifth most on the Rangers and averaged 2:06 minutes of short-handed time on ice per game, the second most on the team. On November 30, 2022, during a game against the Ottawa Senators, Lindgren recorded a career-high three-assist/point game, becoming the fifth Rangers defensemen since the 2015–16 season to record a three-assist game, joining Adam Fox, Ryan McDonagh, Neal Pionk, and Brady Skjei.[citation needed] On April 10, 2023, Lindgren was the recipient of the 2023 Steven McDonald Extra Effort Award, which honors the legacy of New York Police Department detective Steven McDonald, who was shot and injured in the line of duty on July 12, 1986, and died on January 10, 2017. The award is presented annually to the Rangers player who, as chosen by the fans, "goes above and beyond the call of duty." The defenseman was recognized for his "leadership, impact and values that he exemplifies on the ice and throughout the community".[9]
On July 30, 2024, the Rangers re-signed Lindgren to a one-year, $4.5 million contract extension to avoid salary arbitration.[10][11]
Lindgren has represented the United States teams in international play. He began his international career as the United States captain at the 2015 World U-17 Hockey Challenge, where he recorded one assist in six games as his team lost in quarterfinals. He captained the under-18 team in the 2016 World U18 Championships, scoring two goals and adding three assists in seven games, helping his team to third place. He was also on the gold-winning junior team in the 2017 World Junior Championships, getting one assist in seven games. During the 2018 World Junior Championships, he was an alternate captain of the bronze-winning junior team, recording an assist in seven games.[12]