Complex sentence: There were other inaccuracies, including Carter's description as the "number one contender"; according to the May 1966 issue of "Ring Magazine", he was ranked no higher than ninth around the time of his arrest.
Split into simpler sentences: There were other inaccuracies, including Carter's description as the "number one contender". Despite this being true in 1964, according to the May 1966 issue of "Ring Magazine", Carter was ranked no higher than ninth around the time of his arrest.