new york u.s. president donald trump tuesday step war word national football league players silent protest racial injustice say world top-grossing sport league give tax break athletes kneel national anthem nfl give tax-free status two years ago new renovate stadiums often fund least part tax-exempt municipal bond issue local governments state team owners benefit government finance via low interest rate bond back team lease payments stadium-generated revenue even tax dollars administration could push change laws allow professional sport team enjoy tax break normally aim city governments five facts finance sport stadiums laws allow team fund stadiums tax-exempt bond cost unite state 3.7 billion lose tax revenue 2000 2014 accord brook institution paper release last year figure reflect low interest rat pay municipal debt tax exemption bondholders 16 nfl stadiums build renovate 2000 2014 13 finance part tax-exempt bond average finance worth 360.2 million accord brook washington-based policy think tank trump could propose tax reform legislation remove federal tax exemptions debt finance stadiums however federal change would necessarily hind potential incentives offer state local authorities late large subsidy offer nfl franchise 750 million las vegas use lure oakland raiders 1.9 billion stadium money come public fund raise via visitors tax las vegas strip hotel room two bipartisan bill one senate one house u.s. congress seek remove federal tax exempt status bond tie sport stadiums treat private activity bond former u.s. president barack obama propose two previous budget 2015 2016 legislation eliminate tax exemptions stadium finance brook say factbox trump kill nfl stadium tax break five facts consider