By Lizzy Becherano Atlanta United player Santiago Sosa has been suspended for three games and issued an undisclosed fine after using an anti-gay slur in the match against the New England Revolution on October 1. The midfielder will also be required to attend LGBTQ+ Allyship training through Athlete Ally. “Atlanta United is aware of Santiago Sosa’s use of offensive language during last week’s match. The club does not condone the use of harmful or disrespectful language towards any person,” Atlanta United said in a statement. “Santiago is extremely remorseful and personally apologized to the New…