Question: In the illustrious career of NBA superstar Paul Pierce, which happened first: Becoming McDonald's All-American or being traded to the Brooklyn Nets?

Context paragraphs:
History of the Brooklyn Nets: The Brooklyn Nets, a professional basketball team based in the New York City borough of Brooklyn, was founded in 1967 and initially played in Teaneck, New Jersey, as the New Jersey Americans, later the New Jersey Nets.  They are a member of the Atlantic Division of the Eastern Conference in the National Basketball Association (NBA), as well as an original member of the American Basketball Association (ABA).  In 2012 they moved to Brooklyn and were renamed the Brooklyn Nets.

2013–14 Boston Celtics season: The 2013–14 Boston Celtics season was the franchise's 68th season in the National Basketball Association (NBA).  The Celtics made several major changes to the team, including hiring Brad Stevens as the new head coach and sending Kevin Garnett, Paul Pierce, and Jason Terry to the Brooklyn Nets.  The Celtics finished 25–57 and failed to qualify for the playoffs for the first time since 2007.

2001–02 Boston Celtics season: The 2001–02 NBA season was the 56th season for the Boston Celtics in the National Basketball Association.  This season saw the Celtics select future All-Star Joe Johnson with the tenth pick in the 2001 NBA draft, but later on traded him at midseason to the Phoenix Suns for Rodney Rogers and Tony Delk.  The Celtics struggled with a 5–6 start to the season, but then won 12 of their next 14 games.  They won eight of their final nine games finishing second in the Atlantic Division with a 49–33 record, making their first playoff appearance since 1995.  Paul Pierce averaged 26.1 points per game and was selected along with Antoine Walker for the 2002 NBA All-Star Game, which marked his first All-Star appearance.  In the first round of the playoffs, the Celtics defeated the Philadelphia 76ers in five games, advancing to the second round for the first time since 1992.  In the semifinals, they defeated the 2nd-seeded Detroit Pistons four games to one, reaching the Conference Finals also for the first time since 1988.  However, they would lose in six games to the New Jersey Nets in the Eastern Conference Finals after taking a 2–1 series lead.

2002–03 Boston Celtics season: The 2002–03 NBA season was the 57th season for the Boston Celtics in the National Basketball Association.  During the offseason, the Celtics acquired Vin Baker from the Seattle SuperSonics.  The Celtics posted a six-game winning streak after losing their first two games, and got off to a solid 16–7 start.  However, they lost six straight games in March, and finished third in the Atlantic Division with a 44–38 record.  The team made the playoffs for the second time with team captain Paul Pierce, but this time as the #6 seed in the Eastern Conference.  Pierce and Antoine Walker were both selected for the 2003 NBA All-Star Game.  After defeating the 3rd-seeded Indiana Pacers four games to two in the first round, they were unable to stop the New Jersey Nets as they were swept in four straight Conference Semifinal games.  This was also Walker's final season with the Celtics, as he was traded along with Tony Delk to the Dallas Mavericks the following offseason.  He would return to Boston midway during the 2004–05 season.

Paul Pierce: Paul Anthony Pierce (born October 13, 1977) is an American former professional basketball player who played 19 seasons in the National Basketball Association (NBA).  Pierce was a high school McDonald's All-American and earned consensus first-team All-America honors in his junior year at Kansas.

2012–13 Boston Celtics season: The 2012–13 Boston Celtics season was the 67th season of the franchise in the National Basketball Association (NBA).  The Boston Celtics finished the regular season with a 41–40 won-loss record, which was the 3rd best in the Atlantic division, bringing an end to the 5-year run as Atlantic Champs and 7th best in the East.  Their longest winning and losing streaks were 7 and 6 games respectively.  The leading scorer was Paul Pierce, averaging 18.6 PPG.  The leading rebounder was Kevin Garnett (7.8 RPG).  Rajon Rondo led the team and the league in assists per-game with 11.1 despite only playing 38 games due to ACL injury.  The Celtics only played 81 games as their April 16 game was cancelled in the aftermath of the Boston Marathon bombing and was not rescheduled because it would not have changed any part of the final Eastern Conference standings anyway.  The Celtics would go on to lose in the first round of the playoffs for the first time since the 2004–05 season.  This season would mark the end of the Paul Pierce and Kevin Garnett era in Boston as they were traded to the Brooklyn Nets during the 2013 off-season.

2016–17 Brooklyn Nets season: The 2016–17 Brooklyn Nets season was the 41st season of the franchise in the National Basketball Association (NBA), 50th season overall, and its 5th season playing in the New York City borough of Brooklyn.  In the month of February, the Nets would go 0-10 marking the first time that they lost every game in a single month since going 0-14 in November 2009.  This would be Brook Lopez's final year in Brooklyn and the first season with new management.  The Nets hired Kenny Atkinson after Lionel Hollins was fired back in January 2016 when Tony Brown took over as the interim.  Billy King was also fired as the infamous trade back in 2013 where they traded their first round picks in 2014, 2016, and 2018 in exchange for Kevin Garnett and Paul Pierce hurt the Nets badly.  Sean Marks took over as the Nets began rebuilding.  They would finish 20–62, their worst record since 2009–10.

List of Brooklyn Nets head coaches: The Brooklyn Nets are an American professional basketball team based in Brooklyn, New York.  They are a member of the Atlantic Division of the Eastern Conference in the National Basketball Association (NBA).  The team plays its home games at the Barclays Center.  The franchise was founded as the New Jersey Americans in 1967, and was one of the eleven original American Basketball Association (ABA) teams.  In its second ABA season, Arthur Brown, the team owner, moved the team to Long Island and renamed it the New York Nets.  The team won ABA championships in 1974 and 1976.  When the ABA merged with the NBA in 1976, the Nets were one of four ABA teams admitted into the NBA.  The team was moved to the Rutgers Athletic Center in New Jersey; after the 1976–77 NBA season, the team was renamed the New Jersey Nets.  Since they joined the NBA, the Nets have won 4 divisional championships, 2 conference championships and appeared in the playoffs 16 times.  The Nets moved to Brooklyn in 2012, and now play as the Brooklyn Nets.

Brooklyn Nets: The Brooklyn Nets are an American professional basketball team based in the New York City borough of Brooklyn.  The Nets compete in the National Basketball Association (NBA) as a member club of the Atlantic Division of the Eastern Conference.  The team plays its home games at Barclays Center.  They are one of two NBA teams located in New York City; the other are the New York Knicks.  The team was established in 1967 as a charter franchise of the NBA's rival league, the American Basketball Association (ABA).  They played in New Jersey as the New Jersey Americans during their first season, before moving to Long Island in 1968 and changing their name to the New York Nets.  During this time, the Nets won two ABA championships (in 1974 and 1976).  In 1976, the ABA merged with the NBA, and the Nets were absorbed into the NBA along with three other ABA teams (the San Antonio Spurs, Indiana Pacers and Denver Nuggets, all of whom remain in the league today).

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.

Supporting paragraphs: 2013–14 Boston Celtics season Paul Pierce
Answer: McDonald's All-American