By Jamie Spencer Barcelona goalkeeper Inaki Pena almost left the Catalans giants for Manchester United in his youth, the player’s former La Masia coaches have revealed this week. Pena joined Barcelona’s academy ranks from Villarreal when he was 13 years of age and has been fully fledged first-team player for just over two seasons. He is getting an extended run due to Marc-Andre ter Stegen’s injury and is, for now, fending off competition from Wojciech Szczesny. But things were very nearly so different and his career almost took an alternative path. When Pena was 15, he was offered the chance t…