Vasquez will start Sunday's matchup against the Astros on Sunday, Jeff Sanders of The San Diego Union-Tribune reports.
Suarez went 1-for-3 with a walk and a two-run home run during the Reds' 8-2 loss to the Nationals on Saturday.
Burns (13-2) took the loss against the Nationals on Saturday, allowing five runs on six hits and three walks while striking out six across 5.1 innings.
Tatis went 2-for-5 with a solo home run Friday in a loss to the Astros.
The Reds optioned Petty to Triple-A Louisville on Saturday.
Mey gave up two hits and struck out four over 2.2 scoreless relief innings in Friday's 5-3 loss to the Nationals. He didn't walk a batter.
The Padres announced Friday that Andujar no longer requires a splint for his fractured right wrist and has been cleared for light activity, MLB.com reports.
Musgrove (elbow) struck out three and allowed one earned run on two hits and two walks across 2.2 innings in a rehab start Tuesday at Single-A Lake Elsinore.
Ray (10-7) allowed four runs on seven hits and five walks while striking out two over five innings in Friday's 6-3 loss to the Astros. He also tossed two wild pitches.
Rodriguez started in center field and went 1-for-4 with a double in Friday's 5-3 loss to Washington.
