Question: In their 72nd season this NBA team aquired an American professional basketball player who was named NBA Rookie of the Year in what year?

Context paragraphs:
Kyrie Irving: Kyrie Andrew Irving ( , born March 23, 1992) is an American professional basketball player for the Boston Celtics of the National Basketball Association (NBA).  He was named NBA Rookie of the Year after being selected by the Cleveland Cavaliers with the first overall pick in the 2011 NBA draft.  A four-time NBA All-Star, Irving was selected to the All-NBA Third Team in 2015.  He won an NBA Championship with the Cavaliers in 2016.

Derrick Rose: Derrick Martell Rose (born October 4, 1988) is an American professional basketball player for the Cleveland Cavaliers of the National Basketball Association (NBA).  He played one year of college basketball for the Memphis Tigers before being drafted first overall by his hometown Chicago Bulls in the 2008 NBA draft.  After being named the NBA Rookie of the Year, Rose, at age 22, became the youngest player to win the NBA Most Valuable Player Award in 2011.

Michael Carter-Williams: Michael Carter-Williams (born October 10, 1991) is an American professional basketball player for the Charlotte Hornets of the National Basketball Association (NBA).  He was drafted 11th overall in the 2013 NBA draft by the Philadelphia 76ers, after playing college basketball for the Syracuse Orange.  He was named NBA Rookie of the Year in 2014, and has also played for the Milwaukee Bucks and Chicago Bulls.

Malcolm Brogdon: Malcolm Moses Adams Brogdon (born December 11, 1992) is an American professional basketball player for the Milwaukee Bucks of the National Basketball Association (NBA).  He played college basketball for the Virginia Cavaliers under Tony Bennett.  As a senior in 2015–16, he was named the ACC Player of the Year and ACC Defensive Player of the Year, becoming the first player in conference history to earn both honors in the same season.  He was selected in the second round of the 2016 NBA draft by the Bucks with the 36th overall pick.  He went on to win the NBA Rookie of the Year Award, becoming the first second-round pick in the NBA draft lottery era to do so.

2000–01 Philadelphia 76ers season: The 2000–01 NBA season was the 76ers 52nd season in the National Basketball Association, and 38th season in Philadelphia.  Allen Iverson had his best season in 2001—he led his team to win their first ten games, he started and won All-Star MVP honors at the All Star Game.  The Sixers also posted a 56–26 record, which was best in the Eastern Conference that season.  It was the 76ers' best regular season record since 1984–85.  Iverson averaged a then-career high 31.1 points, winning his second NBA scoring title in the process.  He also won the NBA steals title at 2.5 per game.  Iverson was named NBA Most Valuable Player for his accomplishments, beating Tim Duncan and Shaquille O'Neal by a wide margin.  In addition, coach Larry Brown was named NBA Coach of the Year, Dikembe Mutombo (who was acquired from the Atlanta Hawks) won his fourth NBA Defensive Player of the Year Award, and Aaron McKie won the NBA Sixth Man of the Year Award.

Karl-Anthony Towns: Karl-Anthony Towns Jr. (born November 15, 1995) is a Dominican-American professional basketball player for the Minnesota Timberwolves of the National Basketball Association (NBA).  He played college basketball for the University of Kentucky.  Towns was named to the Dominican Republic national basketball team Olympic squad as a 16-year-old, although the Dominican Republic ultimately did not qualify for the 2012 Olympics.  He was selected with the first overall pick in the 2015 NBA draft by the Minnesota Timberwolves, and went on to be named NBA Rookie of the Year for the 2015–16 season.

2017–18 Boston Celtics season: The 2017–18 Boston Celtics season will be the 72nd season of the franchise in the National Basketball Association (NBA).  They originally acquired the #1 pick of the NBA draft due to a previous trade involving the Brooklyn Nets, only to then trade the #1 pick of the NBA draft to the Philidelphia 76ers in exchange for two different draft picks.  They also acquired Gordon Hayward in free agency on July 7 and Kyrie Irving via trade on August 22, 2017 in exchange for rookie Ante Žižić, Jae Crowder, star point guard Isaiah Thomas, the Brooklyn Nets' completely unprotected first round pick in the 2018 NBA draft, and later adding a 2020 second round pick originally from the Miami Heat eight days later.  The Celtics will play the first game of the regular season on October 17, 2017 against the Cleveland Cavaliers, Irving's former team, and retire the number 34 of former small forward Paul Pierce on February 11, 2018 against the Cavs.

Kevin Durant: Kevin Wayne Durant (born September 29, 1988) is an American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA).  He has won an NBA championship, an NBA Most Valuable Player Award, the Bill Russell NBA Finals Most Valuable Player Award, the NBA All-Star Game Most Valuable Player Award, four NBA scoring titles, the NBA Rookie of the Year Award, and two Olympic gold medals.  Durant has also been selected to seven All-NBA teams and eight NBA All-Star teams.

Alvan Adams: Alvan Leigh Adams (born July 19, 1954) is an American retired professional basketball player.  After starring at the University of Oklahoma, the 6'9" (2.06 m) power forward/center was selected by the Phoenix Suns with the 4th pick of the 1975 NBA draft.  Adams was a rookie on a Suns team whose season included an improbable playoff run that took them all the way to the 1976 NBA Finals.  In the same year, he was selected to play in the All-Star Game and won the NBA Rookie of the Year Award as well as being named to the All-NBA Rookie Team.  Adams spent his entire career with the Suns and retired in 1988 as the second all-time Suns scorer with 13,910 career points.

Ralph Sampson: Ralph Lee Sampson Jr. (born July 7, 1960) is an American retired basketball player.  A 7-foot-4 phenom, three-time College Player of the Year, and first selection in the 1983 NBA draft, Sampson brought heavy expectations with him to the National Basketball Association (NBA).  The NBA Rookie of the Year, Sampson averaged 20.7 points and 10.9 rebounds for his first three seasons with the Houston Rockets before injuries began to take their toll.  Three knee surgeries later he retired as a four-time All-Star, an NBA Rookie of the Year, and an NBA All-Star Game MVP ().  One of his many career highlights was a buzzer-beating shot to dethrone the Los Angeles Lakers as Western Conference champions in 1986, derailing their hopes for coveted back-to-back NBA titles, and sending the Rockets to their second NBA Finals in the team's history.

Supporting paragraphs: 2017–18 Boston Celtics season Kyrie Irving
Answer: 2011