Amarista had his $2.5M 2018 option declined by the Rockies, Thomas Harding of MLB.com reports.
Amarista concluded the regular season with a .238/.269/.351 slash line.
Amarista went 1-for-3 with a solo home run during Wednesday's win over Cleveland.
Amarista has a .145/.190/.200 slash line in 59 plate appearances since the start of June.
Amarista is not in the lineup Thursday against the Reds.
Amarista (personal) was activated off the paternity list Thursday, Patrick Saunders of The Denver Post reports.
Amarista was placed on the paternity list Tuesday, Thomas Harding of MLB.com reports.
Amarista is batting seventh and playing second base Thursday, Patrick Saunders of The Denver Post reports.
Amarista is out of the lineup Wednesday against the Phillies, Ben Harris of Phillies.com reports.
Amarista is out of the lineup Sunday against the Reds, Mark Sheldon of MLB.com reports.