Nieto announced his retirement from competition in early 2011 after failing to recover from injuries suffered when racing at Indianapolis in 2010.

[1] After the dramatic injury he began his career as a DJ and music producer,[2] playing regularly at venues in Spain.

In 1999 and 2000 he raced in the 250cc World Championship alongside his domestic commitments, finishing 14th overall on a Yamaha TZ250 with a best result of 6th at Estoril in 2000.

[7] In 2007 he also replaced the injured Olivier Jacque in the French Grand Prix making his debut in the MotoGP class, finishing the race in 11th place.

[8] He finished the season 7th overall, but lost his 2009 ride as the team scaled back to two riders and retained the less successful Japanese Yukio Kagayama.