By mid-race , Mass had jumped up to second behind his teammate and acted as a protective buffer , but then crashed out .
At the front , Hunt was leading but was soon challenged by Brambilla until the Italian spun out of contention .
By mid-race , Mass had jumped up to second behind Hunt 's teammate and acted as a protective buffer , but then crashed out .
At the front , Hunt was leading but was soon challenged by Brambilla until the Italian spun out of contention .