Complex sentence: In the fourth World Cup in 1941, Marrero won three games, but the series ended in a tie between Cuba and the Venezuela team, which relied on the pitching of Daniel Canónico, who went 4--0 with an ERA of 1.69 in 32 innings.
Split into simpler sentences: In the fourth World Cup in 1941, Marrero won three games, but the series ended in a tie between Cuba and the Venezuela team. Venezuela was relying on the pitching of Daniel Canónico, who went 4--0 with an ERA of 1.69 in 32 innings.