Torino were declared 1948–49 Serie A champions on 6 May 1949, after the Superga tragedy, an air disaster that killed the entire Torino squad.
At the time of the declaration, Torino led the runner-up Internazionale by four points with four matches remaining.
[1] Their remaining four matches were played by their reserve team, and they finished the league five points ahead of the runner up.
Following the restoration of ordinary Serie B championship, the FIGC decided to come back to two relegations only from Serie A.
Note: Goal Difference did not come into effect until the 1960s.