GOODYEAR, Ariz. -- The Indians have maintained that they have interest in locking up shortstop Asdrubal Cabrera to an extension. Cleveland is now on the verge of completing such a deal as Spring Training winds to a close.

According to a source, the Indians reached an agreement on a two-year contract extension with Cabrera on Sunday that will pay him $16.5 million over the 2013-14 seasons. Cleveland has not officially announced the signing, and general manager Chris Antonetti declined comment.

The Indians pursued a multiyear contract with Cabrera over the offseason, but ultimately settled on a one-year deal worth $4.55 million to avoid arbitration. The extension covers the shortstop's final year of arbitration and his first free-agent year, keeping him off the open market for at least one more season.

Indians manager Manny Acta would not confirm the signing, but was willing to note that he would be thrilled to see the deal come to fruition.

"I can't comment," Acta said. "I'd be happy for him. I'd be happy for the franchise. It's good to have one of your best players locked up and have him the next few years here without having to worry about arbitration hearings or anything like that. Yeah, it'd be nice."

The details of the extension were first reported by Jon Paul Morosi of FOXSports.com.

Last season, the 26-year-old Cabrera enjoyed a career year, hitting .273 with 25 home runs, 32 doubles and 92 RBIs in 151 games for Cleveland. He started for the American League in the All-Star Game in July and earned a Silver Slugger Award at the end of the season. Cabrera also established a franchise record for home runs as a shortstop.

Prior to last season, Cabrera's career best was six home runs, which he did twice in 2008 and '09.

The Indians acquired Cabrera from the Mariners in a one-for-one trade that sent first baseman Eduardo Perez to Seattle. The shortstop reached the big leagues with the Tribe in 2007, helping the club in its push toward the AL Central crown that season. In five years in Cleveland, Cabrera has hit .281 with 43 homers and 258 RBIs in 538 games.