On June 29, 2018 The Leones de Yucatan win the spring Mexican League season, topping the Sultanes de Monterrey in 7 games. The 7th game is a close affair as Yucatan wins 4-3 behind a two-run homer from finals MVP Luis Juárez and a solo shot by Sebastián Valle. Chad Gaudin saved the win for Yoanner Negrin.
Source
Baseball Reference June 29