[1] In 2011, Valdespin hit .294 with 17 home runs, 60 RBIs and 37 stolen bases in the Mets minor league system.

Valdespin started his first major league game on April 27, playing left field and batting eighth against the Miami Marlins.

On July 24, he broke a Mets franchise record by hitting his fifth pinch-hit home run of the season, off of Ryan Mattheus of the Washington Nationals.

Valdespin made the Opening Day roster for the New York Mets and was set to platoon in center field with Collin Cowgill.

During the 2015 season, Valdespin hit .293 (75-for-256) with two home runs and 20 RBIs in 76 games for the Triple-A New Orleans Zephyrs.

On March 15, 2018, Valdespin signed with the Long Island Ducks of the independent Atlantic League of Professional Baseball.

Despite coming up just short of winning the ALPB Batting Title, Valdespin was named the 2018 Independent Leagues Player of the Year by Baseball America.

[17] On January 25, 2019, Valdespin signed a minor league deal with the Minnesota Twins that included an invitation to spring training.

[19] He later became a free agent On March 4, 2022, Valdespin signed with the Lexington Legends of the Atlantic League of Professional Baseball.