Tomas was released from his minor-league deal Saturday, Jesse Dougherty of The Washington Post reports.

Tomas signed with the Nationals as a non-roster invitee Tuesday, Brittany Ghiroli of The Athletic reports.

Tomas is not part of the Diamondbacks 60-man player pool, Nick Piecoro of the Arizona Republic reports.

Arizona manager Torey Lovullo mentions Tomas as a candidate to receive at-bats as a designated hitter in 2020 if MLB adopts a universal DH for both leagues, Nick Piecoro of the Arizona Republic reports.

Tomas was outrighted to Triple-A Reno on Sunday, Steve Gilbert of MLB.com reports.

Tomas was optioned to Triple-A Reno on Thursday.

Tomas had his contract purchased from Triple-A Reno on Friday.

Tomas will have his contract purchased from Triple-A Reno on Friday, Jesse Sanchez of MLB.com reports.

Tomas had four home runs and eight RBI for Triple-A Reno on Monday.

Tomas was reassigned to minor-league camp Tuesday.