 Complete the following phrase:  A number of clubs who initially chose to convert their existing homes into all-seater stadiums went on to relocate to new stadiums to gain a larger capacity from the turn of the 21st century, particularly those who had progressed throughout the league and attracted a higher demand for tickets since the early 1990s. Southampton relocated to St Marys Stadium in 2001 after more than 100 years at The Dell, with their new 32,000-seat stadium holding more than twice as many fans as their previous home had during its final years, as an all-seater stadium. Leicester City relocated to the Walkers Stadium now known as the King Power Stadium in 2002 after 111 years at Filbert Street. Having originally decided to stay at Maine Road, which was redeveloped to hold 35,000 seated fans by 1995, Manchester City moved into the City of Manchester Stadium built for the 