The Arizona Diamondbacks have officially announced a six-year, $68.5 million contract with Yasmany Tomas.

"This search for talent goes on for 100 years, and it was kind of limited. And now it's expanded to Latin America. Now it goes to the Pacific Rim," said Tony La Russa, hired in May as Arizona's chief baseball officer. "Recently Cuban players are re-emerging. You go to the old days with (Tony) Oliva and (Jose) Cardenal and (Bert) Campaneris, so you know they're playing quality baseball down there."

Tomas can opt out after the 2018 season and become a free agent again.

"If he plays well, my guess would be that ownership would want to extend his contract before his opt comes," general manager Dave Stewart said.