Question: What athlete born 7 April 1983 was added to Bayern Munich before the beginning of the 2007–08 season?

Context articles: 2017–18 FC Bayern Munich season
FC Bayern Munich II
1984–85 FC Bayern Munich season
2009 Audi Cup
2007–08 Hertha BSC season
2007–08 Paris Saint-Germain F.C. season
1987–88 FC Bayern Munich season
2016–17 FC Bayern Munich season
Franck Ribéry
2007–08 FC Bayern Munich season

The 2017–18 FC Bayern Munich season is the 118th season in the football club's history and 53rd consecutive and overall season in the top flight of German football, the Bundesliga, having been promoted from the Regionalliga in 1965.
 Bayern Munich also are participating in this season's edition of the domestic cup, the DFB-Pokal, and the premier continental cup competition, the UEFA Champions League.
 Bayern are the reigning Bundesliga champions, and therefore also are participating in the German super cup, the DFL-Supercup.
 This is the 13th season for Bayern in the Allianz Arena, located in Munich, Bavaria, Germany.
 The season covers a period from 1 July 2017 to 30 June 2018.
Bayern Munich II (Bayern Munich Amateure until 2005) are the reserve team of German association football club Bayern Munich.
 In 2010–11 they played in the 3.
 Liga, having qualified for its inaugural season in 2008, and have consistently played at the third level of German football (the highest permissible level for reserve teams) — they played in the Regionalliga Süd from its formation in 1994 to 2008, when it was usurped by the 3.
 Liga.
 They have generally achieved at least mid-table finishes at this level, and won the Regionalliga Süd title in 2004.
 In 2010–11 Bayern II finished last in the 3.
 Liga and was thus relegated to the Regionalliga.
The 1984–85 FC Bayern Munich season was the 85th season in the club's history.
 Bayern Munich won its 7th Bundesliga title, reached the semi-final of UEFA Cup Winners' Cup, and finished as runner-up of DFB-Pokal.
 This season was the second season of Udo Lattek's second stint as manager of the club.
 The Bundesliga campaign started 25 August 1984 with a 3-1 victory over Arminia Bielefeld.
 Bayern Munich, 1.
 FC Köln, and Borussia Monchengladbach were tied for first place after Round 1.
 From Round 2 through Round 34 of the season, Bayern Munich were the lone team in first place.
 Qualification for the 1984–85 European Cup Winners' Cup was a result of winning the 1983–84 DFB-Pokal.
The first edition of the Audi Cup was a two-day association football tournament that featured four teams, and was staged in late July 2009 at the Allianz Arena in Munich, Germany.
 The competition was organised and promoted by car manufacturer Audi AG to celebrate their 100th year of trading, and hosted by 2007–08 Bundesliga champions Bayern Munich.
 Bayern Munich defeated Manchester United in the final in a penalty shoot-out after a goalless draw.
 Boca Juniors defeated Milan in the third place match.
Hertha BSC's 2007–08 season began on 4 August 2007, with their DFB-Pokal match against Unterhaching, and ended 17 May 2008, with their Bundesliga match against Bayern Munich.
 They finished tenth in the Bundesliga and were eliminated in the second round of the DFB-Pokal.
The 2007–08 season was French football club Paris Saint-Germain's 35th professional season, their 35th season in Ligue 1 and their 34th consecutive season in French top-flight.
 PSG was managed by Paul Le Guen - in his first full season since replacing Guy Lacombe.
 The club was chaired by Alain Cayzac until Simon Tahar took over.
 Paris Saint-Germain was present in the 2007–08 Ligue 1, the 2007–08 Coupe de France and the 2007–08 Coupe de la Ligue.
 Last season's poor results prevented the capital club to participate in consecutive years in a European competition.
 Paris Saint-Germain's average home gate for the 2007–08 season was 36,947, the third highest in the Ligue 1.
The 1987–88 FC Bayern Munich season was the 88th season in the club's history and 23rd season since promotion from Regionalliga Süd in 1965.
 Bayern Munich finished as runner-up in the Bundesliga to SV Werder Bremen.
 The club reached the quarterfinals of both the DFB-Pokal and the European Cup.
 The inaugural DFB-Supercup was won by Bayern Munich over Hamburger SV.
 This season was the first season under manager Jupp Heynckes, who replaced Udo Lattek.
The 2016–17 FC Bayern Munich season was the 118th season in the football club's history and 52nd consecutive and overall season in the top flight of German football, the Bundesliga, having won promotion from the Regionalliga in 1965 after winning the Regionalliga Süd.
 Bayern Munich also participated in this season's edition of the domestic cup, the DFB-Pokal, and the premier continental cup competition, the UEFA Champions League.
 Bayern were the reigning Bundesliga and DFB-Pokal champions, and therefore also participated in the German super cup, the DFL-Supercup.
 It was the 12th season for Bayern in the Allianz Arena, located in Munich, Germany.
 The season covers a period from 11 July 2016 to 30 June 2017.
Franck Henry Pierre Ribéry (] ; born 7 April 1983) is a French professional footballer who plays for German club Bayern Munich.
 He is a former France national team player.
 He primarily plays as a winger, preferably on the left side although being right-footed, and is known for pace, energy, skill and precise passing.
 Ribéry is described as a player who is fast, tricky and an excellent dribbler, who has great control with the ball at his feet.
 Since joining Bayern, he has been recognised on the world stage as one of the best French players of his generation.
 The previous talisman of the French national team, Zinedine Zidane, has called Ribéry the "jewel of French football".
Prior to the beginning of the 2007–08 season, Bayern Munich underwent a major restructuring of the team, releasing or retiring nine players while adding ten others to the squad, most notably Luca Toni and Franck Ribéry.
 The season started with Bayern winning the DFB-Ligapokal, followed by a shootout win in the DFB-Pokal against Wacker Burghausen on 6 August 2007.
 On the first day of the 2007–08 Bundesliga season, Bayern achieved a 3–0 victory over Hansa Rostock.
 As the season progressed, Bayern continued in first in the league table, eventually winning the championship.
 Bayern also won the 2007–08 DFB-Pokal, thereby completing the double.
 International success was thwarted by Zenit Saint Petersburg, however, when Bayern suffered a 4–0 defeat in the second leg of the semi-final after a draw at home.
 The 2007–08 season was goalkeeper Oliver Kahn's last season with Bayern.