File photo of Jannik Sinner and Carlos Alcaraz. (Getty Images) In a stunning upset at the Paris Masters on Tuesday, World No. 1 Carlos Alcaraz lost to unseeded Cameron Norrie 4-6, 6-3, 6-4. The defeat opens the door for second-ranked Jannik Sinner to claim the top spot. The defeat to Norrie ended Alcaraz’s impressive 17-match […]