After spending six seasons with the Marlins , he inked a three - year , $19 million contract in December -- the most ever given to free - agent reliever by the Rockies .
Dunn , a lefty , was the first to sign with Colorado .
After spending six seasons with the Marlins , Dunn inked a three - year , $19 million contract in December -- the most ever given to free - agent reliever by the Colorado .
Dunn , a lefty , was the first to sign with Colorado .