Jack Sock's Run In US Open Comes To CloseSam Eifling9/01/12 4:30pm6EditPromoteGo to permalinkPoor Jack Sock. The tennis gladiator named after the bravest piece of laundry in the mid-hamper has succumbed to Nicolás Almagro in the third round of the US Open. Sock's sacking was hardly surprising. After all, Almagro was the tournament's 11-seed. Sock, meanwhile, was unseeded. No shame there.