Nix cleared waivers Friday and was outrighted to Triple-A El Paso.
Naylor hasn't played in the Dominican winter league in over a week due to a right calf and shin strain, Jeff Sanders of the San Diego Union-Tribune reports.
Nix (elbow) was designated for assignment by the Padres on Monday.
Mejias-Brean was outrighted to Triple-A El Paso on Monday.
Nix was arrested Sunday in Peoria, Ariz. on a charge of criminal trespassing, Joe Enea of ABC 15 Arizona reports.
Machado went 2-for-4 with a double in a loss to Arizona on Sunday.
Campusano has been removed from Peoria's roster in the Arizona Fall League.
Renfroe is set to have minor foot surgery to remove a bone spur from the top of his right foot, AJ Cassavell of MLB.com reports.
Baez struck out four batters and walked one over two scoreless frames during Sunday's loss to Arizona.
Margot is not in Sunday's lineup against the Diamondbacks.
Renfroe is not in Sunday's lineup against the Diamondbacks.
Potts went 1-for-4 with an RBI for Peoria of the Arizona Fall League on Saturday.
Campusano is hitting .077 (1-for-13) in four games for Peoria of the Arizona Fall League.
Baez is opening Sunday's game against the Diamondbacks.
Garcia is not starting Saturday against Arizona.
Mejia is not starting Saturday against Arizona.
Mejia isn't in the starting lineup Friday against the Diamondbacks.
Renfroe isn't in the starting lineup for Friday's game against Arizona.
Yates has wrapped up the major-league saves title for 2019, AJ Cassavell of MLB.com reports.
Myers (head) singled in his only at-bat against the Dodgers on Thursday.
Lucchesi (10-10) allowed one earned run on three hits and two walks while striking out six across six innings to take the loss Thursday against the Dodgers.
Myers (head) said he felt fine Thursday, Kevin Acee of The San Diego Union-Tribune reports.
Garcia is not in Thursday's lineup against the Dodgers.
Mejia is not in the lineup Thursday against the Dodgers.
Hosmer is not in Thursday's lineup against the Dodgers.