The French coach is content with his squad going into the second half of the season and is hoping to make it four wins on the bounce when his side host Parma on Sunday
The Giallorossi brought in two Brazilians, with defender Rodrigo Toloi and Michel Bastos arriving from Sao Paulo and Al Ain respectively, while Radja Nainggolan joined from Cagliari.
And Garcia is content with the state of his squad going into the second half of the Serie A season.
“We've brought in Toloi, who is a young player but one who's already accumulated a wealth of experience. With [Nicolas] Burdissso's departure, I needed an alternative to [Mehdi] Benatia and Castan at the back,” Garcia told a press conference.
“Nainggolan looks as if he's been playing with us forever and Michel Bastos is improving by the day. It's easy for new players to slot into the group because we have a bunch of great guys here.”
Roma have also brought in a number of talented youngsters and the French coach believes the future looks bright for the capital club, singling out 18-year-old Croatian Tin Jedvaj as an exciting prospect.
"Sabatini has been working very hard for Roma's future,” he said.
“We'll keep a close eye on the youngsters we've signed and hopefully they can have a big future at Roma. Tin Jedvaj is very young and has plenty of time to prove his worth.”
Roma sit second in Serie A, six points off reigning champions Juventus, and Garcia is hoping to make it four wins on the bounce when his side host an in-form Parma on Sunday.
“Parma are a quality team,” he added.
“They haven't lost in 10 games but like all sides they have weaknesses that can be exploited, and we're fired up to push on with another win.”