Question: What day was South Korean professional footballer Son Heung-min awarded the Best Footballer in Asia 2014?

Context articles: Best Footballer in Asia 2015
Son Heung-min
Cha Du-ri
Ki Sung-yueng
Hugo Sánchez
Gu Sung-yun
Kwon Dae-hee
Best Footballer in Asia 2014
Best Footballer in Asia 2013
Ji So-yun

The 2015 Best Footballer in Asia, given to the best football player in Asia as judged by a panel of 20 sports journalists, was awarded to Son Heung-min on the 28th December, 2015.
 Son Heung-min became the first footballer who won Best Footballer in Asia for more than one time, and the first footballer who won this trophy in succession.
Son Heung-min (Hangul: 손흥민 ; Hanja: 孫興慜 ; ] ; born 8 July 1992) is a South Korean professional footballer who plays as a winger or a forward for Premier League club Tottenham Hotspur and the South Korea national team.
Cha Du-Ri (; ] or ] ] ; born 25 July 1980) is a retired German-born South Korean professional footballer.
 He played as a right back, right winger, or striker.
 He is the first Korean player who was born outside of Korea to have played in a FIFA World Cup.
 Cha's father, Cha Bum-Kun played in the 1986 World Cup.
 Cha Du-Ri has also played for one of his father's old clubs, Eintracht Frankfurt.
 During the third-place match of the 2011 AFC Asian Cup against Uzbekistan, Cha captained the national team in place of the regular Korean captain, Park Ji-Sung.
Ki Sung-yueng (Korean: 기성용 , ] ; born 24 January 1989) is a South Korean professional footballer who currently plays as a central midfielder for Premier League club Swansea City, and serves as captain of the South Korean national team.
Hugo Sánchez Márquez (born 11 July 1958) is a retired Mexican professional footballer and manager, who played as a forward.
 A prolific goalscorer known for his spectacular strikes and volleys, Sánchez is widely regarded as Mexico's greatest-ever footballer, and one of the greatest players of his generation.
 In 1999, the International Federation of Football History and Statistics voted Sánchez the 26th best footballer of the 20th century, and the best footballer from the CONCACAF region.
 In 2004 Sánchez was named in the FIFA 100 list of the world's greatest living players.
 He is the fourth highest scorer in the history of Spain's top division, and is the sixth highest goalscorer in Real Madrid's history.
Gu Sung-yun (Korean: 구성윤 , born 27 June 1994) is a South Korean professional footballer who plays as a goalkeeper for Japanese club Consadole Sapporo.
 He also plays for the South Korea national team.
Kwon Dae-hee (Korean: 권대희 ), ] or ] ] , born on 16 August 1989, is a South Korean professional footballer.
 He currently plays in Thailand for PT Prachuap in the Thai League 2 as Central Defender.
The 2014 Best Footballer in Asia, given to the best football player in Asia as judged by a panel of sports journalists, was awarded to Son Heung-min on 28th.
 November, 2014.
The Best Footballer in Asia 2013 was the inaugural Best Footballer in Asia.
 Based upon the voting of a panel of 22 journalists the winner was Keisuke Honda.
 On March 16, 2014, the trophy was conferred to Keisuke Honda by Luo Ming, the deputy chief editor of Titan Sports in San Siro stadium.
Ji So-yun (Korean: 지소연 , ] ; born 21 February 1991) is a South Korean professional footballer who plays for Chelsea LFC in the FA WSL and the South Korean national team.