Flores was promoted from Triple-A on Friday to replace the injured Slade Heathcott. Flores had four home runs and 15 RBI in 42 games with Scranton.
Jones initially injured the ankle while sliding at home on Friday, and he is listed as day-to-day, according to the Baltimore Sun. His status for Sunday's series-finale is uncertain.
This will be Navarro's third stint with the Angels this season. He has four hits in 19 at-bats through his first 12 games with the big league club.
Pitcher Vinnie Pestano was optioned to Triple-A to make room on the 25-man roster, according to the Orange County Register.
Cespedes is 2-for-11 with one homer and three RBIs in the last three contests as cleanup hitter, but the Tigers haven't been able to muster much offense as a team, scoring just six runs in their last five games. Cespedes is hitting .308 against Angels starter Jered Weaver in 13 career at-bats.
Aybar believes he is ready to go, but the team decided to give him one more day to recover. He's expected to have a full workout on Saturday, and should be in the lineup on Sunday, according to the Orange Count Register
Grant Green is getting the start at shortstop and batting ninth in Saturday's lineup.
"His big-picture future is probably how we used him at the start of this year," manager Jeff Banister said. "But in the short-term, his versatility, I think we can capitalize on that. Versatility is important in today's game. Elite teams have multiple guys who can do that."
Rua has taken reps at all infield positions while rehabbing the fractured bone in his foot. He is expected to run the bases on Sunday and could begin his rehab assignment as early as Friday.
"Everything has felt good in batting practice," Rua said. "I've done some long-distance half-jogging, half-sprinting and that's felt good. There have been no problems. It's time to push it a little more."
Sands, who was called up Thursday, is making his first appearance for Cleveland since April 27, when he was sent down to Triple-A. In 23 MLB at-bats this season, Sands is hitting .348 with four RBIs.
It was Pillar's only hit of the game, and he has been struggling offensively. Over his last 10 games, Pillar has just six hits in 33 at-bats and just two RBI.
The absence from the lineup is his first since April 29.
Choo has cooled since a tremendous run. He is batting .167 (3-for-18) over his last six games.
Rios had been out with a fractured hand since mid-April.
To make room for Rios, the Royals optioned outfielder Paulo Orlando to Triple-A Omaha. Orlando was hitting .241 with one home run seven RBI. He had a league-leading five triples, however.