The Nationals placed Chaparro on the paternity list Tuesday, Jessica Camerato of MLB.com reports.
Chaparro is out of the lineup for Saturday's game against the Cubs.
Chaparro isn't in the Nationals' lineup for Tuesday's game against the Mets.
Chaparro isn't in the Nationals' lineup for Saturday's game against Miami.
Chaparro is not in the lineup for Thursday's contest against the Rockies, Andrew Golden of The Washington Post reports.
The Nationals selected Chaparro's contract from Triple-A Rochester on Tuesday, Jessica Camerato of MLB.com reports.
Chaparro was traded from the Diamondbacks to the Nationals on Tuesday in exchange for Dylan Floro, Mark Zuckerman of MASNSports.com reports.
Chaparro agreed to a deal with the Diamondbacks on Wednesday, Jon Heyman of the New York Post reports.
Chaparro went 1-for-4 with a solo home run in Saturday's Grapefruit League game against Philadelphia.