Abbott took a no-decision Wednesday against Atlanta, striking out six while allowing two runs on six hits and one walk in seven innings.
Valdez (10-12) gave up two runs on four hits across 5.1 innings to take the loss Wednesday against the Nationals. He walked three and struck out six.
Malgeri went 2-for-5 with a solo home run and two total RBI in Wednesday's 4-2 loss to the Nationals.
Santillan will undergo surgery Thursday to repair a left hip labral tear, Gordon Wittenmyer of The Cincinnati Enquirer reports.
Steer will undergo right wrist surgery next Wednesday, Gordon Wittenmyer of the Cincinnati Enquirer reports.
Burns (groin) worked on adding a sinker in his September outings before getting placed on the 15-day injured list to end his season, Charlie Goldsmith of FOX19 reports.
Torres is not in the lineup for Wednesday's game against the Nationals.
De La Cruz went 2-for-3 with a homer, two RBI, two walks and a stolen base during Tuesday's 4-0 win over Atlanta.
Williamson (5-4) earned the win after allowing three hits through six scoreless innings against Atlanta on Tuesday. He struck out two.
Myers went 1-for-4 with a solo homer and a strikeout during Tuesday's 4-0 win over Atlanta.
