Musgrove (elbow) is expected to make one final minor-league rehab start this week before returning from the 60-day injured list, Jeff Sanders of The San Diego Union-Tribune reports.
Miller blew the save Sunday against the Rays, allowing two runs on two hits while striking out two over one inning.
Ray did not factor into the decision Sunday against the Rays, allowing one run on three hits and three walks while striking out four over six innings.
San Diego placed Rengifo on the 10-day injured list Sunday with a right knee sprain.
Pivetta (forearm) pitched 4.1 scoreless innings, allowing two hits and a walk while striking out seven batters in a rehab start with Triple-A El Paso on Sunday.
Ewing went 1-for-3 with a double, a walk, a stolen base and a run scored in Sunday's 6-3 loss to the Astros.
Thornton allowed two runs on six hits and a hit batsman while striking out five and walking none over five innings in a no-decision versus the Astros on Sunday.
Lindor went 1-for-4 with a solo home run in Sunday's 6-3 loss to the Astros.
San Diego placed Sheets on the 10-day injured list Sunday with a left foot sprain.