 In La Liga, Mejía also represented Zaragoza, Murcia and Rayo Vallecano, amassing competition totals of 263 matches and 43 goals over ten seasons.Born in Cádiz, Andalusia, Mejías spent most of his 19-year senior career with Cádiz CF.After starting out with the B-team he was loaned to neighbouring amateurs Jerez Industrial CF, returning in January 1978 and going on to remain with his main club a further eight full seasons; he made his La Liga debut on 9 April 1978, playing the full 90 minutes in a 2–4 home loss against RCD Español.