Updated to match(es) played on 23 January 1955. Source: RSSSF Legend: Blue = home team win; Yellow = draw; Red = away team win.
Promotion Playoff
With the intention of increasing the number of teams in the First Division to 14 clubs, the Mexican Football Federation organized a promotional tournament between the two worst teams of the first level and the second, third and fourth teams of the Second Division. The playoff had five teams: Atlante, Marte, Cuautla, Querétaro and Zamora.