Modern facilities, especially in the case of Professional sports, have moved towards a different trend than their ancient times counterparts, in the sense of building more single use facilities with more luxurious seating arrangements. This was due to which trend? Modern facilities, especially in the case of Professional sports, have moved towards a different trend than their ancient times counterparts, in the sense of building more single use facilities with more luxurious seating arrangements. This was due to which trend? Pro teams threatening to leave the city and old stadium Pro teams become publicly owned A terrible economy