Two world No. 1 players. One challenge. Who you picking? 👀 (via @wimbledon/TT)

✔️ 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