On August 6, 2019, Beijing time, Arsenal officially announced that captain Koscielny joined Ligue 1 side Bordeaux. According to previous reports, the transfer fee is 5 million pounds.

Before the transfer, the 33-year-old Koscielny had one more year of contract with Arsenal. At first, Arsenal rejected Koscielney's request to terminate his contract a year in advance, after which Koscielny expressed his intention to leave the team by not wanting to go to the United States to participate in the pre-season with the team, but was dissatisfied by Emery and Arsenal executives. In the end, the terms were agreed and Arsenal agreed to join Koscielny to join bordeaux. However, when announcing the transfer, he posted a video of himself taking off his Arsenal shirt and revealing the Bordeaux shirt inside, which made the Gunners and Gunners fans feel uncomfortable. As a result, it was bombarded by football celebrities and outside media.
In July 2010, Koscielny joined Arsenal from Lorient and has played a total of 353 games for Arsenal, from the bench all the way to the team's defensive leadership captain, helping the team win the FA Cup in 2014, 2015 and 2017 over a period of nine years. Koscielny gave Arsenal the best youth of his 9 years, but with Wenger's departure, age, injuries... For other reasons, Koscielny had the idea of leaving.
In the past Arsenal, the sale of the captain has happened more than once or twice, it has been started as early as the time when Wenger took up the Arsenal coaching whip, and it has remained unchanged until now, and Arsenal fans may not be surprised by the sale of the captain.
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Vieira was the first captain to be sold, moving to Serie A Juventus for 20 million euros. Vieira is an indispensable all-round midfielder for Arsenal, a combination of strength and agility, and his tall and powerful skills are well-rounded, while defensively covering a large area and a solid defense. Unfortunately, his departure is a huge loss for Arsenal, and from here on, the problem of Arsenal's back is not hard has also begun to be criticized by more and more people, until it has not been solved.
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Henry was the second to be sold due to Arsenal's financial problems, and after Vieira left, Henry naturally became captain. But in 2007, he moved to Barcelona for 24 million euros. During his time at Arsenal, Henry was the premier league player of the year twice, won the Premier League Golden Boot four times, won the European Golden Boot for two seasons, scored 174 league goals in eight years and scored 42 goals in Europe. He was the king of Highbury, and his goals made his legendary career at the Gunners, while also contributing to Wenger's illustrious history at Arsenal.
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After Henry left for Jocamp, Gilberto Silva was the third to take over the captain's armband. However, in the summer of 2008, Gilbert Silva did not perform well, and the team had no intention of renewing his contract, and finally joined Panathinax on a free transfer at the end of the season. Gilberto Silva, who made 237 appearances and scored 24 goals for Arsenal in his six seasons. With such a performance, Gilberto Silva signed for £3.6 million is definitely a great value for money, proving that wenger, who is a thrifty family, can always spend a lot of money to do big things.
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Arsenal's fourth captain is Willem Gallas, an all-round defender who can play all positions in the back line, from centre-back, right-back to left-back. During his four years at Arsenal, he made 140 appearances and scored 16 goals. Due to the problems of Arsenal's financial situation, there was no harvest after that, and Arsenal's eight-year championship drought began. William Gallas' off-court life also caused a lot of trouble for Wenger, causing trouble with the media's public bombardment of his teammates, and was often photographed by paparazzi going in and out of nightclubs. Wenger stripped him of his armband in a fit of rage and turned to Fabregas as captain, but in Wenger's mind, Gallas remained an important member of Arsenal. In August 2010, he joined Tottenham for free, causing strong dissatisfaction among gun fans.
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It was Wenger who removed Captain Gallas's armband halfway through to produce Fabregas, the youngest captain in Arsenal history. In his 8 years at Arsenal, he made 303 appearances, scored 57 goals and assisted 98 times, and he was one of the few Arsenal stars in that lonely era. Unable to meet Fabregas's ambitions, Arsenal, who had been without a crown for years, left Barcelona in the summer of 2011 and returned to where his career had begun.
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Van Persie took over the captain's armband of Xiaofa and became the sixth captain. In 2004, Van Persie came to Arsenal from Feyenoord for 2.75 million pounds, and in these eight years, Van Persie witnessed Arsenal step by step from glory to trough, and in the process, step by step, from the original winger to the center, the technology continues to be comprehensive. During his eight years with Arsenal, Van Persie made 277 appearances and scored 132 goals, which was the backbone of Arsenal's forward line at that time. However, it is also because he is not in the ranks of the title race, so that Van Persie also has a heart, in 2012, he joined Manchester United for 24 million pounds, and another beautiful marriage ended.
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After Van Persie's departure from Arsenal, Fermalen put on the captain's armband. Fermalen's god-level performance kept Arsenal's goal safe, the defense was watertight, the ability to score goals was amazing, and his strong grab points and accurate left foot made Fermalen even the number one scorer in Arsenal at one point. However, due to the glass physique, the game was stopped and stopped, which also seriously affected the play of his strength, so it was actually Arteta and Mertesack who served as captains on the field for a long time. So after five years of playing for Arsenal, Vermalen left for Barcelona like Henry and Little Law.
Arsenal in the case of the core departure every year, in the absence of financial support, coupled with the current Premier League famous coaches, the style of play, the stars gathered, no longer like the previous four major families, today's Arsenal top stars are not as attractive as other giants, to win the championship is absolutely too difficult, but the top four, gun fans are still confident.