4 players with the name Alan

We have 4 players named Alan. Note the players' full names, year of birth and clubs they represented to find the player you are looking for.

birthyear 1979, plays/played for Braga and Maritimo
birthyear 1989, plays/played for Guangzhou, Beijing Guoan and Salzburg
birthyear 1997, plays/played for Kasimpasa
birthyear 2000, plays/played for Moreirense