Tennessee became the third state to regulate fantasy sports as an industry when Gov. Bill Haslam signed a bill into law on Wednesday. Tennessee joins Indiana and Virginia as state governments that have passed regulations overseeing DFS this year. Massachusetts Attorney General Maura Healey also enacted DFS regulations this year. Tennessee becomes the first state where a negative attorney opinion about the legality of daily fantasy sports was rendered moot by the legislature. AG Herbert Slatery earlier this month opined that operating DFS contests constituted illegal gambling under Tennessee law, previously. Neither DraftKings nor FanDuel had announced that it would…