Meanwhile, the BBC understands that Irishman Gary Keegan has been offered the role of performance director for the newly-formed British Amateur Boxing Association.
Although Nelson lost the fight in the 15th round, his impressive performance against a formidable opponent such as Sanchez established him as a top talent in the international boxing scene.
Selection has greater importance with the London Games less than two years away with a good performance leaving the three women in pole position to gain the three places available in the Great Britain Olympic boxing team for 2012.