Hottor began his career in July 2008 for the Primavera team from U.S. Triestina Calcio and played his professional debut in the Serie B on 17 October 2009 against Gallipoli Calcio.
On 02 November 2009 Triestina president Stefano Fantinel will meet AC Milan Chief Executive Adriano Galliani to find a definitive agreement for the 16 year old midfielder, Milan offered one million ?uro for the co-ownership and want to carry out as fast a possible negothiation for the player, to avoid an auction with Barcelona FC, Inter Milan and Juventus Turin