Dallas Cowboys quarterback Dak Prescott confirmed his breakup from ex-fiancée Sarah Jane Ramos in custody documents, Us Weekly can exclusively report. Prescott, 32, filed a legal petition in Texas on March 17 to ensure "the best interest" of his and Ramos' daughters: Margaret Jane "MJ", 2, and Aurora, 11 months. "The parents of the children are separated. The appointment of the parents as joint managing conservators would be in the best interest of the children," court documents obtained by Us on Sunday, April 5, read.