World No. 1 and defending US Open champion Aryna Sabalenka spoke with Katie George about the significance of defending her women’s singles title after rallying for a three-set comeback win over No. 4 Jessica Pegula to return to the final on Saturday. ✔️ Subscribe to ESPN+ http://espnplus.com/youtube ✔️ Get the ESPN App: http://www.espn.com/espn/apps/espn ✔️ Subscribe to ESPN on YouTube: http://es.pn/SUBSCRIBEtoYOUTUBE ✔️ Subscribe to NBA on ESPN on YouTube: http://bit.ly/SUBSCRIBEtoNBAonESPN ✔️ Watch ESPN on YouTube TV: http://es.pn/YouTubeTV #ESPN #tennis #usopen