Cuba sent México down to their second loss, while they moved to 2-0 on Saturday.
Cuba rallied to score three runs in their last two at bats to pull out the win.
Raúl González led off the bottom of the 7th with a solo homerun.
Frederich Cepeda tied the game later in the inning when he hit a sacrifice fly with the bases loaded.
In the 8th Raúl González hit a sacrifice fly to score Yoelquis Céspedes with the go ahead run.
Raidel Martínez came on to pitch the ninth and retired Mexico in order to send the Mexican faithful back home disappointed.
Alaín Sánchez went five innings in relief, allowing just one run to get the victory.
Alaín Sánchez SP / Alazanes de Granma
IP: 5 H: 4 R: 1 ER: 1 SO: 2 BB: 0 HR: 0
He came on in relief of Cuban ace Yoannis Yera, who was not sharp, giving up seven hits and walking three to allow México to score three of their runs.
Yoannis Yera SP / Alazanes de Granma
IP: 3 H: 7 R: 3 ER: 3 SO: 2 BB: 0 HR: 0
2018 Caribbean Series
Sunday's Games
Venezuela 15, Rep. Dominicana 4
Cuba 5, México 4
Monday's Games
Rep. Dominicana-Puerto Rico
Venezuela-México
Standings
| TEAM | W/L (AVE) | GB |
|---|---|---|
| Cuba | 2-0 (1.000) | - |
| Puerto Rico | 1-0 (1.000) | 0.5 |
| Venezuela | 1-1 (.500) | 1.0 |
| Rep. Dominicana | 0-1 (.000) | 1.5 |
| México | 0-2 (.000) | 2.0 |
