User talk:Roberto Duran

Please refrain from making test edits in Wikipedia pages, such as those you made to Vitali Klitschko ‎, even if you intend to fix them later. Your edits do not appear to be constructive and have been reverted. If you would like to experiment again, please use the sandbox. Thank you. Materialscientist (talk) 22:43, 2 December 2012 (UTC)

Please do not introduce incorrect information into articles, as you did to Andre Ward. Your edits appear to be vandalism and have been reverted. If you believe the information you added was correct, please cite references or sources or discuss the changes on the article's talk page before making them again. If you would like to experiment, use the sandbox. Thank you. Materialscientist (talk) 23:43, 3 December 2012 (UTC)