sentences:  It served as a prelude to a breakthrough for the 1973–74 season, when Lazio would sweep all before them to win their first league title, having led throughout the season.Unfortunately, this was not built upon, as fourth place the following year would be followed by a struggle against relegation in 1975–76 and a mid-table finish in 1977–78 (with a fifth-place finish in 1976–77 in between).The tragic deaths of Luciano Re Cecconi and "scudetto"-winning trainer Tommaso Maestrelli, in addition to the departure of Chinaglia in 1976, would be a triple blow for Lazio.