article_snippet.sent: Considered one of the best pound-for-pound fighters in the history of mixed martial arts, Anderson Silva said Anderson Silva is 'trying to give back to the sport' in which Anderson Silva began Anderson Silva career.
article_snippet.sent: Anderson Silva UFC said Anderson Silva is 'trying to give back to the sport' in which he began his career his career .
article_snippet.sent: Anderson Silva UFC tested positive for two steroids in an out-of-competition test Jan. 9, and also failed a test after Anderson Silva UFC victory over Nick Diaz on Jan. 31.
highlights_snippet.sent: Anderson Silva is currently suspended by UFC after failing drug tests .
  