Mantha scored twice on three shots and added an assist in Thursday's 5-4 overtime win over the Blues.
Mantha picked up his second multi-point effort of the season with this performance. After a slow start to begin his time with New Jersey, he's racked up four goals and three assists over his last seven outings. The winger has five goals, four helpers, 21 shots on net, 10 hits and a minus-2 rating across 16 games this year, mainly from a third-line role.