Question: The 2014-15 Southampton F.C. season was the club's first season with Dutch manager Ronald Koeman, who replaced what Argentine former footballer who is the current manager of Premier League Club Tottenham Hotspur?
Context: The 2013–14 Southampton F.C. season was the club's 15th season in the Premier League, and their 37th in the top division of English football.  Having secured their place in the Premier League the previous season following a seven-year absence from the top flight, the club progressed in their league performance and achieved their main aim of a top-ten finish.  Southampton finished eighth in the Premier League table, having won 15, drawn 11, and lost 12 of their 38 games played: their best season since 2002–03.  They also made it to the fifth round of the FA Cup and the fourth round of the League Cup. The 1992–93 Southampton F.C. season was the club's first season in the Premier League, and their 23rd season in the top division of English football.  As co-founders of the Premier League, the club looked to retain their status as one of the top clubs in the country by ensuring a 16th consecutive season in the top flight.  Southampton finished 18th in the league, just one point above the relegation zone – their worst top division finish since their relegation in 1974.  They also reached the third round of the FA Cup and the League Cup. The History of Tottenham Hotspur F.C., an English football club based in Tottenham, London, began in 1882.  The club in was formed as Hotspur F.C. by a group of schoolboys, and it was renamed Tottenham Hotspur F.C. in 1884.  The club became a professional football club in 1895, and won the FA Cup in 1901 before they joined the Football League, becoming the only non-League club to achieve the feat since the formation of the Football League.  Since then, Tottenham have won the FA Cup a further seven times, the Football League twice, the Football League Cup four times, the UEFA Cup twice and also the UEFA Cup Winners' Cup.  The Cup Winners' Cup victory in 1963 made Tottenham the first English team to win a UEFA competition.  In 1960–61, they were the first team to complete The Double in the 20th century. Mauricio Roberto Pochettino (] , ] ; born 2 March 1972) is an Argentine former footballer who played as a central defender, and is the current manager of Premier League club Tottenham Hotspur. Tottenham Hotspur Ladies F.C. is an English women's football club affiliated with Tottenham Hotspur F.C..  The club is set to compete in the FA WSL 2 for the 2017–18 season.  The club currently play at Cheshunt F.C..  Tottenham Hotspur Ladies F.C. was founded in 1985, under the name Broxbourne Ladies.  The first team have won twelve trophies, the most recent being the overall FA Women's Premier League in the 2016-17 season. The 2017–18 Southampton F.C. season is the club's 19th season in the Premier League and 41st in the top division of English football.  In addition to the Premier League, the club will also compete in the FA Cup and competed in the EFL Cup.  The season is the club's first with manager Mauricio Pellegrino, who replaced the departed Claude Puel after one season in charge on 23 June 2017.  As of 30 September 2017, Southampton are twelfth in the Premier League table having won two, drawn two and lost three of their first seven matches of the season.  They were knocked out of the EFL Cup in the second round by Wolverhampton Wanderers. The 2014–15 Southampton F.C. season was the club's 16th season in the Premier League and their 38th in the top division of English football.  It was also the club's first season with Dutch manager Ronald Koeman, who replaced Mauricio Pochettino on 16 June 2014.  Southampton finished seventh in the Premier League, having won 18, drawn six and lost 14 matches.  The club also made it to the fourth round of the FA Cup and the fifth round of the League Cup. The 2015–16 Southampton F.C. season was the club's 17th season in the Premier League and their 39th in the top division of English football.  It was also the club's first season in a European competition since 2003–04.  Southampton finished the season in sixth place in the Premier League, having won 18, drawn 9 and lost 11 of their 38 matches.  This result is the highest club finish in the Premier League and the highest Premier League points total (63) in the club's history.  Aside from the league, the club was eliminated from the third round of the FA Cup, the fifth round of the League Cup, and the qualifying play-off round of the UEFA Europa League. The 2016–17 Southampton F.C. season was the club's 18th season in the Premier League and their 40th in the top division of English football.  In addition to the 2016–17 Premier League, the club also competed in the FA Cup, EFL Cup and UEFA Europa League.  The season was the club's only campaign with manager Claude Puel, who took over from Ronald Koeman on 30 June 2016.  The club finished eighth in the Premier League table, having won twelve, drawn ten and lost sixteen of their 38 matches played.  They were knocked out of the UEFA Europa League at the group stage, having won two, drawn two and lost two of their matches, and the FA Cup in the fourth round, while they finished as runners-up in the EFL Cup Final losing 3–2 to Manchester United. Ronald Koeman (] ; born 21 March 1963) is a former Dutch footballer and the current manager of English club Everton.  He is the younger brother of former Feyenoord coach Erwin Koeman and the son of former Dutch international Martin Koeman.  A composed player on the ball, Koeman was capable of being deployed both as a defender and as a midfielder, and he frequently played as a sweeper, due to his vision and his ability on the ball.  Regarded as one of the best and most prolific attacking central defenders of all time, Koeman was renowned for his long-range passing, as well as his shooting accuracy and power from distance, especially on free kicks, and is the top scoring defender in world football; he was also an accurate penalty kick taker.
Answer: Mauricio Roberto Pochettino