Robert Alexander Zárate Ladera (born February 1, 1987) is a Venezuelan professional baseball pitcher who is a free agent.

[2] On January 21, 2015, Zárate signed a minor league contract with the Tampa Bay Rays that included an invitation to Spring Training.

On December 7, 2015, Zárate signed a minor league deal with the Pittsburgh Pirates organization that included an invitation to Spring Training.

On January 4, 2018, Zarate signed a minor league contract with an invitation to spring training with the Cleveland Indians.

[5] He pitched for the Triple-A Columbus Clippers, appearing in 29 games as a reliever and finishing with a 3-1 record, 3.30 ERA, and 40 strikeouts.