Title: Tom Brady
Content:  Thomas Edward Patrick Brady Jr. (born August 3, 1977) is an American football quarterback for the Tampa Bay Buccaneers of the National Football League (NFL). He spent his first 20 seasons with the New England Patriots, where he was a central contributor to the franchise's dynasty from 2001 to 2019. Brady is widely regarded as the greatest quarterback of all time. After playing college football at Michigan, Brady was selected 199th overall by the Patriots in the sixth round of the 2000 NFL Draft, later earning him a reputation as the NFL's biggest draft steal. He became the starting quarterback during his second season, which saw the Patriots win their first Super Bowl title 
Title: Tom Brady
Content:  of the greatest athletes in sports history. Brady was a lightly regarded prospect coming out of college, with an unimpressive NFL Scouting Combine performance reinforcing this reputation. As a result, he was not selected until the sixth round of the 2000 NFL Draft by the New England Patriots, 199th overall, and was the seventh quarterback taken. Brady's success as a passer has been attributed to his work ethic, competitive spirit, pocket awareness, and intelligence. Brady has started 346 games (301 regular season, 45 playoff) in 22 seasons, the most for an NFL quarterback. His first 20 seasons were with the Patriots, which is also the 
Title: Tom Brady
Content:  Brady started all 16 regular season games of the 2012 season and led the Patriots to a 12–4 record. Brady became the first quarterback to lead his team to ten division titles. With a 557-point total, the Patriots became the first team to score at least 500 points in a season four different times, with Brady leading all four squads, also a record. He finished the season with 4,827 passing yards, 34 touchdowns, only eight interceptions, and a passer rating of 98.7. Brady was named to the Pro Bowl for the eighth time in his career. On the NFL Top 100 Players of 2013, Brady was ranked fourth by his fellow players for the second consecutive year. Brady led the Patriots to a 41–28 
Title: Tom Brady
Content:  passing yards, making him the oldest player ever to lead the league in passing yards. He was named a first-team All-Pro by the Associated Press for the third time in his career. Earning 40 of 50 votes, Brady was named the NFL Most Valuable Player for the third time in his career. For the second straight year and third time overall, Brady was ranked No. 1 by his fellow players on the NFL Top 100 Players of 2018. Brady and the Patriots began their postseason run by defeating the Tennessee Titans, 35–14, in the Divisional Round of the playoffs. With the win, the Patriots advanced to the AFC Championship Game for the seventh straight year. 
Title: Tom Brady
Content:  time in 18 years. In Week 17, Brady helped the Patriots clinch a first-round bye, with a 38–3 win against the Jets. Brady finished the season completing 375-of-570 passes, 4,355 yards, 29 touchdowns, and 11 interceptions. He was ranked sixth by his fellow players on the NFL Top 100 Players of 2019. Following their first-round bye, the Patriots started their playoff run at home against the Los Angeles Chargers in the Divisional Round. The Patriots jumped out to a 35–7 halftime lead en route to a 41–28 win. With the win, the Patriots advanced to the AFC Championship Game for an eighth consecutive year, this time to face the Chiefs at 
Title: Tom Brady
Content:  In the NFL Kickoff Game, Brady led the Patriots to a 28–21 win over the Pittsburgh Steelers. He threw for 288 yards and four touchdowns, three of them to Rob Gronkowski. The Patriots' victory was the 161st victory of Brady's career, all with the Patriots, which surpassed the record held by former Green Bay Packers quarterback Brett Favre for most regular season wins by a starting quarterback with a single team. In Week 2, Brady threw for 466 yards and three touchdowns against the Buffalo Bills. Through the first five games of the season, Brady threw a total of 14 touchdowns with 
Title: Tom Brady
Content:  Super Bowl XXXVI. As the team's primary starter for 18 seasons, Brady led the Patriots to 17 division titles (including 11 consecutive from 2009 to 2019), 13 AFC Championship Games (including eight consecutive from 2011 to 2018), nine Super Bowl appearances, and six Super Bowl titles, all NFL records for a player and franchise. He joined the Buccaneers in 2020 and led them to win Super Bowl LV, extending his individual records to 10 Super Bowl appearances and seven victories. Brady holds many career quarterback records, including passing yards, completions, touchdown passes, and games started, in addition to the most Pro Bowl selections. Never having a losing season, he is the NFL leader in 
Title: Tom Brady
Content:  last game of the season against the New York Giants, Brady threw his 50th touchdown of the season, breaking Peyton Manning's single-season record of 49 from the 2004 season. Brady finished the season with 4,806 passing yards, 50 touchdown passes, eight interceptions, and a career-high 117.2 passer rating. It was unanimously voted the greatest passing season of all time by ESPN in 2013. His 50:8 touchdown to interception ratio was, at the time, an NFL record. He became the first quarterback to pass for 50 touchdowns. He led the Patriots to the first undefeated regular season since the 16-game schedule was implemented in 1978. He directed an offense that scored a 
Title: Tom Brady
Content:  for an NFL quarterback with one franchise. He has served as the primary starter in 20 of his seasons, holding a backup role during his rookie campaign and missing nearly all the 2008 season due to a knee injury. The 2008 season marks the only time that Brady did not start because of injury. Brady has never had a losing season as the starter and only missed the playoffs in 2002, the first year he started all 16 regular season games. With the Patriots, Brady led the team to 17 AFC East titles. His 18th postseason appearance with the Tampa Bay Buccaneers in 2020 was 
Title: Tom Brady
Content:  Brady drove the Patriots' offense down the field to the Rams' 31-yard line before spiking the ball with seven seconds left. Kicker Adam Vinatieri converted a 48-yard field goal as time expired to give the Patriots a 20–17 win and their first ever league championship. Brady was named Super Bowl MVP while throwing for 145 yards, one touchdown, and no interceptions. At the age of 24 years and six months, Brady became the youngest quarterback to win a Super Bowl, surpassing Joe Namath (Super Bowl III) and Joe Montana (Super Bowl XVI). Bledsoe was traded to the Buffalo Bills during the off-season; this event cemented Brady's status as the Patriots' starting quarterback.

Question: how long has tom brady been the patriots quarterback?
Answer: 2001.
16 seasons.