Arizona Diamondbacks admit they have no idea what happened with star infielder: it's 'a complete mystery'

Diamondbacks president Derrick Hall calls Ketel Marte's unexplained absence from Fenway Park a "mystery" and says the team still has no answers.

Diamondbacks president Derrick Hall calls Ketel Marte's unexplained absence from Fenway Park a "mystery" and says the team still has no answers.