The Arizona Diamondbacks and Cuban slugger Yasmany Tomas have agreed to a six-year contract worth $68.5 million, according to a report by MLB.com. The report, which cites industry sources, states that the deal is believed to include an opt-out clause after four years. Read more http://espn.go.com/mlb/story/_/id/1...na-diamondbacks-agree-6-year-685-million-deal