|Full name||Mettin Copier|
|Date of birth||January 4, 1989|
|Place of birth||Amsterdam, Netherlands|
|Height||6 ft 3 in (1.91 m)|
|2010||→ Telstar (loan)||4||(0)|
|2011–2012||Dayton Dutch Lions||42||(4)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 28 May 2014|
Copier played for youth teams SV Siveo'60 and USV Elinkwijk, before joining the academy of Dutch Eredivisie side AZ Alkmaar in 2007. He played extensively for Alkmaar's reserves, and was promoted to the senior team in 2009. After a short period on loan at Telstar in the Eerste Divisie in 2010, during which he played four games but found himself marginalized following a change of manager, Copier moved to FC Oss in 2010, playing 3 games and scoring 2 games for the team.
In summer 2014 he joined FC Breukelen from fellow amateurs RKSV Leonidas, in Rotterdam.
Copier, whose father is Dutch but whose mother is Austrian, announced his intention to play for the Austrian national team in 2007. He received his first cap for the Austria U-21 team on March 25, 2009 in a game against Italy, and six days later played his second game in a 2-1 loss to Switzerland.