Tovar went 2-for-2 with a solo home run and a double during Monday's 13-3 loss to the Nationals.
Castro went 1-for-4 with a solo home run and a strikeout during Monday's 13-3 loss to Washington.
Feltner (5-8) took the loss after allowing seven runs (five earned) on six hits and four walks. He struck out six.
The Rockies selected Adams' contract from Triple-A Albuquerque on Monday.
Norby will start at second base and bat sixth in Monday's game against the Nationals.
Carrigg is out of the lineup for Monday's game against the Nationals.
The Rockies are expected to place Freeland on the 15-day injured list Monday while he recovers from a pinched nerve in his neck, Thomas Harding of MLB.com reports.
The Rockies placed Freeland on the 15-day injured list Monday due to cervical radiculopathy.
Sugano (12-7) took the loss Sunday against the Guardians, allowing five runs on nine hits and one walk while striking out two over three innings.
Snell (2-1) earned the win Sunday, allowing two hits, three walks and a hit-by-pitch over six scoreless innings against the Pirates. He struck out six.
