Question: The manager of Real Madrid who was fired during the 1997-1998 season played striker for which team in the 1960s?

Context paragraphs:
Jupp Heynckes: Josef "Jupp" Heynckes (] ; born 9 May 1945) is a German retired professional footballer and manager.  As a player, he spent the majority of his career as a striker for Borussia Mönchengladbach in its golden era of the 1960s and '70s, where he won many national championships and the DFB-Pokal, as well as the UEFA Cup.  During this period, the team also played in its only European Cup final in 1977, losing to Liverpool.  He is the third-highest goalscorer in the history of the Bundesliga, with 220 goals.  He was a member of the West Germany national team that won the UEFA European Championship and the FIFA World Cup in the first half of the 1970s.

2017 UEFA Champions League Final: The 2017 UEFA Champions League Final was the final match of the 2016–17 UEFA Champions League, the 62nd season of Europe's premier club football tournament organised by UEFA, and the 25th season since it was renamed from the European Champion Clubs' Cup to the UEFA Champions League.  It was played at the Millennium Stadium in Cardiff, Wales on 3 June 2017, between Italian side Juventus and Spanish side and title holders Real Madrid, in a repeat of the 1998 final.  Real Madrid won the match 4–1 to secure their 12th title in this competition.  With this victory, as the defending champions, Real Madrid became the first ever team to successfully defend their title in the Champions League era, and the first to do so since Milan in 1990.  On the other hand, Juventus lost a fifth final in a row and a seventh in nine finals reached.

1997–98 Real Madrid C.F. season: Real Madrid failed to retain their La Liga title, but made up for the domestic disappointment by winning the UEFA Champions League with a 1–0 win over Juventus in Amsterdam, their first European Cup since 1966.  This, however, was not enough to save the job of manager Jupp Heynckes, who paid for Madrid's low league finish, just eight days after the European triumph.

Raimundo Saporta: Raimundo Saporta Namías (December 16, 1926 in Constantinople, Turkey – February 2, 1997 in Madrid, Spain) was a Spanish basketball administrator.  He was the head of the basketball section of Real Madrid, the basketball club Real Madrid Baloncesto in 1962-1978 and 1985-1991.  He held numerous positions with the FIBA, including President of the Commission for International Organization (1960-), President of the Commission for International Competitions (1990-1997) and Vice-President (1995-1997).  After his death, FIBA and Real Madrid renamed both the FIBA EuroCup and the Pabellón Ciudad Deportiva in his honor.  In 2007, he was enshrined as a contributor to the FIBA Hall of Fame.

Real Madrid C: Real Madrid Club de Fútbol C, commonly known as Real Madrid C, was a Spanish association football team that played in the Tercera División – Group 7.  It was Real Madrid's second reserve team.  They played their home games at La Ciudad del Real Madrid in Valdebebas outside the city of Madrid.  At the end of the 2014–15 Tercera Division, Real Madrid C was disbanded.

Raimundo Saporta Pavilion: Raimundo Saporta Pavilion (originally known as Pabellón de la Ciudad Deportiva del Real Madrid) was an indoor arena located in Madrid, Spain.  It was used particularly for basketball matches of Real Madrid.  Until 1999 it was known as the Pabellón de la Ciudad Deportiva del Real Madrid, when it was renamed in honorary of the former president of Real Madrid basketball team, the late Raimundo Saporta.

2013 Copa del Rey Final: The 2013 Copa del Rey Final was the 111th final since its establishment.  The match was a Madrid derby between Real Madrid and Atlético Madrid on 17 May 2013 at the Santiago Bernabéu Stadium in Madrid.  It was the clubs' first meeting in the final since the 1992 final when Atlético won 2–0 over Real Madrid.  Before this match, the two teams have been finalists on four other occasions in 1960, 1961 and 1975 Copa del Rey; all Atlético wins; except 1975 when Real Madrid won.  Atlético lifted the trophy for the tenth time in their history.

1998 UEFA Champions League Final: The 1998 UEFA Champions League Final was a football match that took place at the Amsterdam Arena in Amsterdam, Netherlands on 20 May 1998 to determine the winner of the 1997–98 UEFA Champions League.  It pitted Real Madrid of Spain and Juventus of Italy.  Juventus appeared in their third consecutive final, while Real Madrid were in their first of the Champions League era.  Real Madrid won 1–0, the only goal scored by Predrag Mijatović, to clinch their seventh European title, their first for 32 years.  The repeat of the match was played in the 2017 UEFA Champions League Final in Cardiff, which Real Madrid won 4-1.

1987–88 Newport County A.F.C. season: The 1987–88 season was the 60th season played by Newport County in the Football League and the first season played back in the Fourth Division since relegation from the Third Division at the end of the 1986–87 season.  The club suffered a second successive relegation and were only the second team to be automatically relegated to the Football Conference.

Danville 97s: The Danville 97s were a minor league baseball team based in Danville, Virginia for the 1998 season only.  They were a baseball team that played in the Carolina League and were affiliated with the Atlanta Braves for their lone 1998 season.  Prior to the 97s, the Durham Bulls were the Braves High-A affiliate from 1980–1997 which that team also played in the Carolina League.  The 97s played home games at the American Legion Field.  Following the 1998 season, the franchise relocated to Myrtle Beach, South Carolina, to become the Myrtle Beach Pelicans.

Supporting paragraphs: 1997–98 Real Madrid C.F. season Jupp Heynckes
Answer: Borussia Mönchengladbach