Aron Baynes agrees to new Celtics deal

Aron Baynes has agreed to a two-year, $US11 million deal with the Boston Celtics.

Aron Baynes has signed on for another two seasons with NBA heavweights Boston Celtics. (AAP)

Aron Baynes is staying with the Boston Celtics.

The Australian centre has agreed to a two-year, $US11 million NBA deal with the Celtics.

The Queenslander, who entered the NBA in 2013 and had stints at the San Antonio Spurs and Detroit Pistons, was a key part of the Celtics' recent run to the Eastern Conference finals and quickly agreed to terms when free agency opened on Sunday.