Amateur McDonagh attended
Cretin-Derham Hall High School in
Saint Paul, Minnesota, where as a junior, he helped lead his team to the school's first state hockey championship. The following season, he was awarded the 2007
Minnesota Mr. Hockey award, which is given annually to the top senior high school hockey player in the state. McDonagh was then drafted in the first round, 12th overall, by the
Montreal Canadiens on June 22, 2007, in the
2007 NHL entry draft. He also won a
silver medal with the United States at the
2007 IIHF World U18 Championships. Two years later, McDonagh represented the
Americans at the
2009 World Junior Ice Hockey Championships. On June 30, 2009, McDonagh was traded (along with
Chris Higgins,
Pavel Valentenko and
Doug Janik) to the
New York Rangers in exchange for
Scott Gomez,
Tom Pyatt and
Michael Busto.
Professional New York Rangers (2010–2018) On July 6, 2010, McDonagh signed an entry-level contract with the Rangers, forgoing his senior season at Wisconsin and joining childhood friend and former Wisconsin teammate
Derek Stepan in New York. '
Matt Cooke. Cooke was later suspended for 17 games. After beginning the
2010–11 season with the Rangers'
American Hockey League (AHL) affiliate, the
Hartford Wolf Pack, he was promoted to the Rangers on January 3, 2011. He played his first career NHL game on January 7, 2011, against the
Dallas Stars. He then earned his first NHL point on an assist of a
Brandon Prust goal against the
Carolina Hurricanes on January 20. On March 20, McDonagh was the victim of an elbow to the head from
Pittsburgh Penguins forward
Matt Cooke, who was subsequently suspended for the remainder of the
regular season and the first round of the
2011 Stanley Cup playoffs. On April 9, 2011, McDonagh scored the game-winning goal, the first of his career, against the
New Jersey Devils, earning the Rangers the eighth and final playoff spot in the
Eastern Conference. As a result of the
2012–13 NHL lockout, McDonagh signed a contract with
Barys Astana of the
Kontinental Hockey League (KHL). He became the first American NHL player to join the KHL as a result of the lockout. On July 8, 2013, McDonagh signed a new six-year, $28.2 million contract with New York. He led all Rangers defensemen with 43 points in the
2013–14 season as the Rangers finished fifth in the Eastern Conference. The team defeated the
Philadelphia Flyers, Pittsburgh Penguins and Montreal Canadiens en route to the
2014 Stanley Cup Final against the
Los Angeles Kings, where the Rangers lost the series 4–1. During the
playoffs, McDonagh was tied for the lead amongst defensemen in assists (13) and ranked second in points (17). For his season's efforts, McDonagh was named Rangers'
MVP and the recipient of the Players' Player Award, given to the Ranger "who best exemplifies what it means to be a team player". He became just the second Rangers defenseman to hold both awards after
Brian Leetch did so in the
2002–03 season. On October 6, 2014, McDonagh was named the 27th captain in Rangers history, filling the vacancy left by
Ryan Callahan the previous season, and the first defenseman since
Brian Leetch in 1997 to be named captain.
Martin St. Louis,
Marc Staal,
Dan Girardi and Derek Stepan were named his alternates. McDonagh became the fourth-youngest Ranger captain and 11th defenseman to hold the honor. In his first season as captain, he led his team to the
Presidents' Trophy, but they were ultimately eliminated in the
Eastern Conference Finals by the
Tampa Bay Lightning in seven games. On May 30, 2015, it was revealed that McDonagh had played the final three games of the series with a broken foot. McDonagh continued his strong play and leadership into the 2015–16 season, his second as team captain. However, during a February 6, 2016, game against the
Philadelphia Flyers, McDonagh suffered a concussion after getting punched by Flyers' forward
Wayne Simmonds after McDonagh cross-checked Simmonds. McDonagh missed eight games as a result, including a February 14 rematch between the two teams, during which Rangers' rookie defenseman
Dylan McIlrath fought Simmonds. Still feeling the effects of the concussion, McDonagh was scratched for two games of the Rangers first round playoff series against the Pittsburgh Penguins, which the Rangers ultimately lost in five games as the Penguins eventually went on to win the Stanley Cup.
Tampa Bay Lightning (2018–2022) On February 26, 2018, McDonagh was traded (along with
J. T. Miller) to the
Tampa Bay Lightning in exchange for
Libor Hájek,
Brett Howden,
Vladislav Namestnikov, a first-round pick in the
2018 NHL entry draft, and a conditional second-round pick in the
2019 NHL entry draft. The trade followed weeks of trade rumors fueled by a team letter to Rangers fans on February 8, announcing a rebuild. On April 18, McDonagh played in his 100th career NHL playoff game. On June 1, 2018, Ryan McDonagh signed a seven-year, $47.25 million contract extension with the Lightning. During the
2018–19 season, McDonagh would enjoy the best offensive season of his career, playing all 82 games and scoring 9 goals and 46 points during his first full season in Tampa Bay, finishing 8th in
Norris Trophy voting. However, McDonagh was held pointless in Tampa Bay's first-round upset loss to the
Columbus Blue Jackets. In the
2019–20 season, McDonagh embraced his role, along with his defensive partner
Erik Černák, as Tampa Bay's shutdown defensive pairing. During the
2020 Stanley Cup playoffs, McDonagh would return to the
Stanley Cup Final for the first time since
2014, while he was a member of the Rangers. This time,
the Lightning emerged victorious, winning McDonagh his first
Stanley Cup championship. McDonagh continued his role as one of Tampa Bay's shutdown defenders in the
COVID-delayed 2020–21 season. On June 8, 2021, McDonagh played in his 150th Stanley Cup playoff game against the
Carolina Hurricanes. The Lightning would go on to
repeat as champions in 2021, winning McDonagh his second consecutive championship. McDonagh led all skaters in
plus–minus at +18 during the
2021 Stanley Cup playoffs.
Nashville Predators (2022–2024) On July 3, 2022, McDonagh was traded to the
Nashville Predators in exchange for defenseman
Philippe Myers and forward Grant Mismash.
Return to Tampa Bay (2024–present) After two seasons in Nashville, McDonagh was re-acquired by the Lightning on May 21, 2024, in exchange for a second-round pick in
2025 and a seventh-round pick in
2024. During the
2024–25 season on March 27, 2025, McDonagh played his
1,000th NHL game.
2025 Season McDonagh signed a 3-year extension worth $12.3 million on December 4, 2025. ==Personal life==