Complex sentence: Vaschetto was the first player to score in the clubs history in 1944 against Atlas.In 3 years with the Mexican club he managed to score 21 goles and helped the club win its first Copa Mexico title in the 1944-45 tournament.
Split into simpler sentences: Vaschetto was the first player to score in the club's history in 1944 against Atlas. During his 3 years at the Mexican club he managed to score 21 goles and helped the club win its first Copa Mexico title in the 1944-45 tournament.