The Bruins sent center Ryan Spooner and defenseman Zach Trotman to Providence Tuesday.

Spooner’s demotion comes with Chris Kelly being activated from injured reserve as he is set to return from a broken fibula suffered on Dec. 7. Spooner had been centering the third line in Kelly’s place up until the past two games. Carl Soderberg centered the third line Saturday with Spooner out with the flu and stayed there as the Bruins made Spooner a healthy scratch Monday.

In 22 games for the Bruins this season, Spooner has no goals and 11 assists for 11 points. He has five goals and 18 assists for 23 points in 21 games for Providence this season.

The Bruins chose Spooner with the 45th overall pick in the 2010 draft. In his first professional season, Spooner put up 17 goals and 40 assists for 57 points in 59 games for Providence last season. He had an encouraging training camp, but the lack of center jobs available and the team’s intentions of keeping him at center forced him back to Providence.

Spooner said in Dallas this month that he hoped to stay in Boston once Kelly returned, even if it meant he wouldn’t be playing.