Chaparro went 2-for-2 with a double, three RBI and two runs scored during Saturday's 8-2 win over the Reds.
Alvarez did not factor into the decision Saturday against the Reds, allowing one run on three hits and one walk while striking out two across 5.1 innings.
Lord will start Sunday's matchup against the Reds, per Mark Zuckerman of NatsJournal.com.
Washington demoted Palmquist to Triple-A Rochester on Saturday.
Acuna went 1-for-4 with a solo home run in Saturday's 5-4 loss to the Yankees.
Sale (12-7) took the loss Saturday, giving up three runs on five hits and two walks over six innings as Atlanta fell 5-4 to the Yankees. He struck out eight.
Cruz walked one and struck out one in a scoreless seventh inning Friday to record his first career hold in Friday's win over the Reds.
Lile went 2-for-4 with a double, a three-run home run and a second run scored in Friday's 5-3 win over the Reds.
Cavalli (9-5) picked up the win in Friday's 5-3 victory over the Reds, giving up three runs on seven hits and two walks over six innings. He struck out eight.
Beeter struck out one in a perfect ninth inning Friday to record his 12th save of the season in a 5-3 win over the Reds.
