By FOX Sports staff
On a heavily snowed pitch at the Stadio Atleti Azzurri d'Italia, on-loan Inter Milan striker Marko Livaja gave the home side the early lead before Marquinho equalised for the visitors.
An eventful first half then saw Roma go in front through a beautifully hit Miralem Pjanic free-kick but Livaja ensured the two teams went into the break deadlocked at 2-2 as he scored in the 44th minute.
Roma would have the last laugh, though, as Vasilis Torosidis headed the winner in the 71st minute after a wonderful long ball from Michael Bradley.
"Perhaps we're considered more style than substance, but we showed just how combative we are against a team that operates primarily on a physical level," Andreazzoli was quoted as saying on the Roma website.
"This was precisely one of the things I asked the team to demonstrate, and it was a big success. Atalanta did everything they could to secure the three points at home, but we're the ones who came out on top. Thanks to this win we're going back to Rome that much stronger."
Andreazzoli added: "Watching his [Torosidis] goal sent shivers down my spine."
"Balzaretti, the left full-back, gave the ball to Bradley who hit a long pass for Torosidis, our right full-back; for me that's something fantastic."
Sunday's win marked the first time Roma has claimed back-to-back Serie A victories in 2013.
Roma defeated Juventus 1-0 last week in the Italian capital.