Madison E. Goldberg / People: Nikki Garcia Praises Co-Parenting Relationship with Artem Chigvintsev, Says They're a 'Great Team' - The wrestling star opened up about co-parenting in the Thursday, Sept. 4 episode of 'The Nikki & Brie Show' - Nikki Garcia said that she and ex-husband Artem Chigvintsev make a ...