 Whilst at Mallorca, he helped them win the 2003 edition of the Copa del Rey.While at the service of Valladolid, during a 29 September 2001 away match against Real Madrid which finished 2–2, opposing players blamed Lozano for whistling during a free kick, causing the opposing team to believe that the referee had blown the whistle and with the visitors profiting from the situation to score.He denied responsibility, saying it could have been any of the 90,000 spectators attending the game.