2012: Thorrington appeared in 19 games for the Whitecaps FC, starting 14. Thorrington had one assist, resulting in the first goal of a 3-1 win over the Houston Dynamo on 6/1/. D.C. United selected Thorrington in Stage-2 of the MLS Re-Entry Draft on 12/14/12.
2011: Thorrington’s first season with Whitecaps FC saw the midfielder start all but two of his 11 MLS appearances that season, as injuries restricted his availability. His Whitecaps FC debut was as a first-half substitute during a 1-1 home draw versus New England Revolution on 4/6. He replaced the injured Terry Dunfield in central midfield at Empire Field. The midfielder's first competitive start for Whitecaps FC came against his former club Chicago Fire on 8/7. Thorrington played the first half of Vancouver's 4-2 home win over Chicago at Empire Field. His performances in Week 31 helped the midfielder earn a place in the MLSsoccer.com Team of the Week. On 12/5, Thorrington signed a new MLS contract with Whitecaps FC.
2010: Injury problems restricted the midfielder to just five starts in his final season with Chicago, with his only goal coming from the penalty spot in a 2-1 defeat at Seattle Sounders FC on 8/28. On 11/24, Whitecaps FC acquired the midfielder during the 2010 MLS Expansion Draft.
2009: Thorrington started all 19 of his appearances for Chicago that season, with the midfielder recording an assist in a 2-1 defeat at D.C. United on 6/13. He also started one match in Group A of the North American SuperLiga competition, with the Fire reaching the final before losing to Mexican club Tigres de la Universitad de Nuevo León (UANL). On 11/7, the midfielder scored in the second leg of the Eastern Conference Semifinals against New England Revolution, with the Fire winning the series 3-2 on aggregate.
2008: Fully recovered from his leg injury, Thorrington started all but two of his 23 regular season appearances for the Fire that season. His five goals included a two-goal performance in a 2-1 home win over Colorado Rapids on 4/26, and a goal and an assist in a 3-0 win at New England Revolution on 5/3. The midfielder also scored the winning goals in a 2-1 victory over Toronto FC on 7/12 and a 1-0 win at Los Angeles Galaxy on 8/21. His efforts earned him the MLS Player of the Week award for Week 16. Thorrington also started both legs of the Eastern Conference Semifinals versus New England Revolution on 10/ 30 and 11/ 6, as well as the Eastern Conference Championship defeat at Columbus Crew on 11/13. He also played in the 2-1 extra-time defeat at D.C. United in the quarterfinals of the Lamar Hunt US Open Cup on 7/8.
2007: The midfielder spent much of the 2007 season recovering from his right leg injury, with Thorrington re-signing with Chicago on 11/14 after being waived by the Fire on 3/ 5. On 10/21, he came off the substitutes' bench to score the match winner over Los Angeles Galaxy in second-half time added on. He also briefly appeared in the first leg of Eastern Conference Semifinals versus D.C. United, as the Fire won 1-0 at home on Oct. 25. Chicago won the series 3-2 on aggregate.
2006: The midfielder endured a tough second season with the Fire, as a broken right leg and knee sprain sustained in training on 6/8 had him sidelined for 10 weeks and restricted him to just two regular season appearances.
2005: After eight years playing in Europe, Thorrington returned home to the United States and Major League Soccer by joining Chicago Fire. The midfielder started half of his eight regular season appearances for the Illinois outfit, with his MLS debut coming in a 3-0 defeat versus New York/New Jersey MetroStars (now New York Red Bulls) on 5/14. His first MLS goal proved to be the match winner in a 1-0 victory over Los Angeles Galaxy on 8/13. Thorrington also helped the Fire reach the semifinals of the Lamar Hunt US Open Cup after starting two of Chicago's four matches in the competition. This included a role in the Fire's equalizer at former United Soccer Leagues First Division side Rochester Rhinos in the quarterfinals on 8/24. After a 1-1 extra-time draw, Chicago won 5-4 on penalties in Upstate New York.
2003-04: Thorrington made just five league appearances in Division Three for Huddersfield that season. His last goal for The Terriers came in the first round of the English League Cup, as Huddersfield knocked off Division One side Derby County FC 2-1 at home on 8/12/03. On transfer deadline day (3/11/04), the midfielder returned to Division Two when he joined Grimsby Town FC. Thorrington made three appearances for The Mariners, with his Grimsby debut coming on 3/13/04, in a 1-1 home draw with AFC Bournemouth. The midfielder was unable to help keep Grimsby in Division Two, as they were relegated at season's end.
2002-03: Thorrington endured a more challenging second season with Huddersfield, as The Terriers suffered relegation to the fourth-tier Football League Division Three (now English League Two) at the end of the campaign. He made 31 appearances, with his only league goal that year coming in a 2-1 defeat at Plymouth Argyle FC on 8/13/02. The midfielder started the first-round defeat at Wrexham FC in English League Trophy on 10/22/02. He also made a substitute appearance in the English League Cup and the English FA Cup first-round defeat at Swindon Town FC on 11/16/02.
2001-02: After not making a first-team appearance at Manchester United FC and Bayer Leverkusen, Thorrington joined Huddersfield Town FC on a free transfer in the summer of 2001. Playing in England's third-tier Football League Division Two (now English League One), the midfielder made his Terriers debut on opening day, as Huddersfield defeated AFC Bournemouth 1-0 at home on 8/1/01. His first goal for the West Yorkshire outfit came on 9/2/01, in a 2-1 home win over Wycombe Wanderers FC. He also appeared in the 1-0 home defeat to Division Three side Rochdale FC in the first round of the English League Cup on 7/21/01, and scored in the penalty shootout win at home to Division Three club Halifax Town FC in the first round (northern section) of the English Football League Trophy on 10/16/01. With a sixth-place finish in the Division Two standings, Huddersfield reached the end-of-season promotion playoffs, with Thorrington appearing in both legs of the playoff semifinal defeat to Brentford FC on 4/28 and 5/1/02.
2000-01: Following his spell in Germany, Thorrington had a short trial with Bolton Wanderers FC of the second-tier English Football League Division One (now English League Championship).
1997-99: Thorrington became the youngest American player to sign for an English Premier League club when he joined Manchester United FC as a 17-year-old. The midfielder spent three years with the English giants, having appeared with United's reserve side before departing to Germany and Bayer Leverkusen in 1999. He joined Bundesliga powerhouse Bayer Leverkusen in. He played alongside fellow American and MLS campaigner Landon Donovan.
2001-09: The midfielder has made four appearances at the senior international level for the USA, with his debut coming as a substitute in a 1-1 friendly draw with Ecuador in Columbus, Ohio, on 6/7/01. The midfielder also appeared in two CONCACAF qualifying matches for the 2010 FIFA World Cup in South Africa. They included the 1-0 away win over Barbados in the first leg of the Stage Two qualifying playoff on 6/22/08, and the 2-0 home win over Guatemala in semifinal stage Group One in Commerce City, Colorado, on 11/19. His last appearance for the Americans came on 1/24/09, as the USA defeated Sweden 3-2 in a friendly in Carson, California.
2000: Thorrington made four appearances for the USA U-23 Olympic team, helping Clive Charles' squad reach the final of the 2000 CONCACAF Olympic Qualifying Tournament in Hershey, Pennsylvania. The midfielder scored in a 3-0 final-round victory over Honduras on 4/20/00. Though the Americans secured their spot in the 2000 Men's Olympic Football Tournament in Sydney, Australia, Thorrington missed the Sydney Olympics after suffering a hamstring injury in the build-up.
1999: The midfielder made his USA debut with the U-20 squad in a 1-0 friendly win over Denmark on 1/24/99, before scoring his first international goal during a 1-1 friendly draw with Morocco on 3/10. Led by current Seattle Sounders FC head coach Sigi Schmid, Thorrington was a member of the USA squad that reached Round of 16 at the 1999 FIFA U-20 World Cup in Nigeria. The midfielder started three of the Americans' four matches at Nigeria 1999.
Signed on 1/21/13 after being selected in Stage 2 of the MLS Re-Entry Draft.