Quick Facts
Biography
Gregorio Sierra Pérez (born 5 March 1993), commonly known as Grego is a Spanish footballer who plays for CD Numancia as either a central defender or defensive midfielder.
Club career
Grego was born in Murcia, and was a Real Murcia youth graduate. He made his senior debut with the reserves in 2011, in Tercera División.
In 2012 Grego moved to another reserve team, Atlético Madrid C also in the fourth tier. On 30 July of the following year he joined fellow league team SD Noja, but after being rarely used he terminated his contract and signed for Mar Menor CF in January 2014.
On 10 July 2015, after another one-year spell back at Murcia's B-side, Grego first arrived in Segunda División B, after agreeing to a contract with La Hoya Lorca CF. Roughly one year later, he joined fellow league side Valencia CF Mestalla.
On 28 June 2017, after missing out promotion in the play-offs, Grego signed a two-year contract with Segunda División club CD Numancia. He made his professional debut on 6 September, starting in a 1–0 away win against Real Oviedo, for the season's Copa del Rey.