Sampedro was born in
Avilés,
Asturias. After finishing his graduation in neighbouring
Sporting de Gijón's youth setup he made his senior debuts with
the B-team in the
2004–05 season, in the
Tercera División. On 24 October 2004 he played his first game as a professional, featuring the entire second half in a 3–1 home win over
Córdoba CF in the
Segunda División, and his first goal came on 28 November as he scored the first in a 2–1 success at
Pontevedra CF. After a loan spell with lowly
Zamora CF Sampedro returned to Sporting, being promoted to
La Liga in
2008 and making his debut in the competition on 26 October 2008 by coming on as a late
substitute in a 3–0 away win over
Deportivo de La Coruña. He finished the campaign with
CD Castellón in the second level, having signed in February 2009. After being released by the
Valencians Sampedro resumed his career in the
Segunda División B, representing
SD Ponferradina, Pontevedra,
CD Teruel,
Huracán Valencia CF (two stints),
CD Alcoyano and
Real Avilés. Since 2015 Omar plays for
UP Langreo. ==References==