Question: Which player signed to Bayern Munich before the 2012-2013 season was known mostly as a central defender?

Context:
Dante (footballer)
Dante Bonfim Costa Santos (born 18 October 1983), commonly known as Dante (] ), is a Brazilian professional footballer who plays for French Ligue 1 club Nice.
 Primarily a central defender, he has previously also been used as a defensive midfielder or a left back.
Herbert Erhardt
Herbert 'Ertl' Erhard (6 July 1930 – 3 July 2010), also known as Herbert Erhardt, was a German footballer.
 As a central defender, he played for SpVgg Fürth and Bayern Munich.
 He was known for his hard tackling, doggedness and captain like performances.
 The DFB German Football Association (German FA) list him in the top 20 best German defenders of all time, and Bayern Munich included him in their best 16 in a team made up in the 1980s of famous past players.
FC Bayern Munich II
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.
2016–17 FC Bayern Munich season
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.
2012–13 FC Bayern Munich season
The 2012–13 FC Bayern Munich season was the 114th season in the club's history and the 48th consecutive season in the top flight of German football, the Bundesliga, since the promotion of the team from the Regionalliga Süd in 1965.
 Before the start of the season, Bayern signed Xherdan Shaqiri, Dante, Claudio Pizarro, Mitchell Weiser, Tom Starke and Mario Mandžukić.
 Bayern also added holding midfielder Javi Martínez after the first week of the Bundesliga season at the transfer deadline.
 The club started the season with a nine-match winning streak.
 The club would end the season claiming the Treble, winning the Bundesliga, the UEFA Champions League and the DFB-Pokal.
 Bayern are the first German club to achieve the Treble and are the third European Club to complete the Treble in the last five seasons and seventh ever in European Club competition.
2012–13 DFB-Pokal
The 2012–13 DFB-Pokal was the 70th season of the annual German football cup competition.
 It began on 17 August 2012 with the first of six rounds and ended on 1 June 2013 with the final at the Olympic Stadium in Berlin.
 The defending champions were Borussia Dortmund, but they were beaten by Bayern Munich in the quarter-finals.
 Bayern Munich went on to win the competition, defeating VfB Stuttgart 3–2 in the final.
 As runners-up, VfB Stuttgart have qualified for the third qualifying round of the 2013–14 UEFA Europa League, since Bayern Munich won the Bundesliga and will be competing in the 2013–14 UEFA Champions League.
1984–85 FC Bayern Munich season
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.
Uli Hoeneß Cup
The Uli Hoeneß Cup was a pre-season association football match that took place on 24 July 2013 at the Allianz Arena in Munich, Germany.
 The competition featured hosts and 2012–13 UEFA Champions League winner Bayern Munich and the 2012–13 Spanish champions Barcelona.
 The game was the first that Bayern Munich's new manager Pep Guardiola contested against his former club Barcelona and was a late 60th birthday present for Bayern Munich club president Uli Hoeneß.
 The entire proceeds were donated towards social purposes.
 The original planned kick-off time (20:30) was changed because of the 2013 UEFA Women's Championship semi-final match between Sweden and Germany.
1987–88 FC Bayern Munich season
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.
2017–18 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.

Answer: Dante