Mets see big increase in Citi Field attendance after 2019 MLB season2.44 million fans attended in 2019 compared to 2.22 million in 201810/2/2019, 9:17 PMNew York City, NY, USA; General view of Citi Field between the New York Mets and the Philadelphia Phillies. Mandatory Credit: Brad Penner-USA TODAY Sports / Brad Penner