Field Mill, known for sponsorship reasons as One Call Stadium, is a multi-use stadium in Mansfield, Nottinghamshire, England, and the home of Mansfield Town. It is the oldest ground in the Football League, hosting football since 1861, although some reports date it back as far as 1850. The stadium has a capacity of 10,000 when fully open, but due to safety restrictions, it currently holds 8,186.