Brian Gionta will not be offered a contract to return to Bruins

Brian Gionta was captain of the US Olympic team at the 2018 Winter Games.BUFFALO — General manager Don Sweeney, here for this week’s NHL Combine, said Thursday forwards Brian Gionta and Kenny Agostino, as well as defenseman Paul Postma, won’t be offered contracts to return for the 2018-19 season.

Gionta, acquired as a free agent in February after serving as captain of the US Olympic team, chipped in with a 2-5—7 line in 20 regular-season games, then was asked to dress for only one of Boston’s 12 playoff games. Agostino and Postma, the club’s lone two budget acquisitions as unrestricted free agents last July, saw very little playing time with the varsity during the regular season and weren’t…