Mirador the team played a friendly match against Atlante, losing 4–1. On 4 July 1944, Puebla obtained its first victory in El Mirador against Veracruz with a score of 3–4. On 20 August 1944, Puebla played its first professional league match against Atlas, beating them 5–2. The Argentinian forward scored Eladio Vaschetto Puebla's first goal in the professional league era. The first lost in the league was to Real Club España, losing 2–1 in Mexico City. In 24 games played in the 1944–45 league Puebla obtained 14 wins, 2 draws and 8 losses with 53 goals in favor and 30 against. That year Puebla was the league runner-up to Real Club España, but saved the season by winning the Copa México against América in a memorable match winning it 5–3. Ricardo Alvarez was the lead scorer, scoring 4 goals. 1945 Copa México In 1944 Puebla finished runner-up in the league championship and many thought they had been better than the actual champions España. With a good league tournament played they also played the 1944 Copa México in which they showed why they finished second in the league by crowning themselves champions that year. The tournament started when Puebla faced Orizaba beating them 6–0 in both games. Arturo Chávez scored 5 goals in both games and ended as the tournaments lead scorer with 15 goals. In the quarter-finals stage, Puebla faced Atlas, a club that did not put up much of a fight and ended up losing 4–0. Arturo Chávez scored the 4 goals in that series. At semi-finals Puebla faced one of the best clubs in that tournament, Deportivo Oro. However, Puebla was playing better and defeated Oro 3–1 to advance to their first final ever. At the final game on 25 June 1945, Puebla faced one of the most important clubs in Mexico América. Puebla came out in the first minute with the intention of winning the cup. They found themselves up 3–0 in the 26th minute, with 2 goals by Eladio Vaschetto and one from Arturo Chávez. América scored its first goal at the 43rd minute courtesy of Vial. The first half ended 3–1. In the second half, América came out to prove their status as an important club and went on the offense. With América looking for goals, Puebla found open spaces but they could not take advantage. In the 61st minute Manolo Alarcón scored a goal