Inflammatory and arthritic causes of ankle lumps. Ankle lumps or swelling can also be caused by different types of arthritis that affect the ankle joint such as: Gout (type of arthritis caused by a buildup of uric acid crystals in the joints)
The U.S. Open is open to any professional, or to any amateur with an up-to-date men's USGA Handicap Index not exceeding 1.4. Players (male or female) may obtain a place by being fully exempt or by competing successfully in qualifying. The field is 156 players.
A. Top 30 players (based on 2016 year-end Emirates ATP Rankings) must play a minimum of four 500 level tournaments during the calendar year, including at least one event following the US Open (Monte Carlo Masters 1000 event will count towards the minimum of four and all penalties apply):