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9/1/2014 7:55 P.M. ET

Amaro discusses imminent change after Mayberry deal

ATLANTA -- Change is coming.

Phillies general manager Ruben Amaro Jr. said Monday there will be more adjustments to the Phillies' roster in the future, following Sunday's trade that sent John Mayberry Jr. to Toronto for Minor League third baseman Gustavo Pierre.

"Not that it's a huge change, but we're going to have to start churning the roster in a way that it's going to have to be improved," Amaro said in the press box at Turner Field.

Does Amaro believe those changes could be significant?

"I do," Amaro said. "I think we need it. I think we need it, because what we have on our roster right now is not working. How much we'll do will depend on what makes sense for us. We're still kind of assessing what we have. But I think it would behoove us to make some changes, because we need to be better."

Amaro declined to say if those changes could extend to staff and management positions, although he said Friday there will be no changes at GM or manager while Pat Gillick serves as interim president.

"I'm not going to get into specifics," Amaro said. "We have to be better."

There is no question the roster does not have enough talent to win, but there also is a staleness in the clubhouse. It might be a good idea to move some players simply to get fresh faces and perspectives in there.

Amaro said that could be a factor when shaping next season's roster.

"There are a lot of factors," Amaro said. "How a player will fit short term and long term for us. What guys bring to the table on and off the field. All those things. Intangibles. We have to assess all those things, and we'll look to improve in all those areas."

But money will make the job difficult. The Phillies are loaded with players with expensive contracts, which the team has been unable to move in the past. They could find the same issues in the offseason.

"We have a lot of ideas where we want to go, but to crystallize those, we'll have to see how things go, particularly when we have a chance to see some of the guys called up here," Amaro said. "We have a lot of decisions to make.

"I think it's a good thing. Change is going to be good in certain ways. Consistency is important too. I think we have a lot to assess, but we have a pretty good idea where we want to go. We just have to start thinking about the execution of those things."

Phillies see potential in Pierre at hot corner

ATLANTA -- Phillies general manager Ruben Amaro Jr. hopes to see more improvement from recently acquired Double-A third baseman Gustavo Pierre. The Phillies got him Sunday from Toronto for outfielder John Mayberry Jr., who was not going to return next season.

"We felt like we're covered in the outfield as far as what we have right now and what we might have coming," Amaro said. "Frankly, we felt like this was the right thing to do for him and for us."

Pierre, 22, had just been promoted from Class A Advanced Dunedin to Double-A New Hampshire. He hit .263 with 23 doubles, three triples, seven home runs, 40 RBIs and a .675 OPS in 407 plate appearances with Dunedin. But Pierre also has struck out 240 times and walked just 17 times over the past two seasons.

Pierre has been assigned to Double-A Reading.

"We've actually seen a lot of him this year, and our player development people and our scouts have seen a lot of improvement in him," Amaro said. "He's got the defensive tool and the power tool. He strikes out a lot and he doesn't walk a lot. We'll see what we get out of him."

Top prospect Franco leads Phillies' callups

ATLANTA -- The Phillies added seven players to their roster following Monday's game, and one is Triple-A Lehigh Valley infielder Maikel Franco.

Franco is the organization's No. 3 prospect, according to MLB.com, and he is somebody fans have been eager to see for some time. Franco struggled early this season, but he entered Monday hitting .324 with 16 doubles, three triples, 11 home runs, 47 RBIs and a .922 OPS in 54 games since the end of June.

The Phillies also recalled infielder Cesar Hernandez, catcher Cameron Rupp and right-handers Luis Garcia and Miguel Alfredo Gonzalez. Franco and Tony Gwynn Jr. had their contracts selected from Triple-A. Philadelphia activated right-hander Mike Adams from the disabled list.

To make room on the 40-man roster, the Phillies placed Cliff Lee on the 60-day disabled list.

Gonzalez also is a notable callup. The Phils signed him to a three-year, $12 million contract last summer as a starter, but they have made him a reliever because of health concerns. He went a combined 0-4 with a 3.11 ERA in 31 games with Class A Advanced Clearwater, Double-A Reading and Triple-A Lehigh Valley.

Worth noting

• Jimmy Rollins went 3-for-5 for the 658th multihit game of his career in Monday's 7-0 win over the Braves, which set the franchise record. Richie Ashburn finished his Phillies career with 657.

• Ben Revere set a career high with five RBIs on Monday after entering the game with 15 for the entire season. He set his previous high of three RBIs on March 31 against Texas.

Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.