|Leones de Yucatán – No. 52|
|Born: July 24, 1990|
Los Mochis, Sinaloa, Mexico
Sebastián Valle Velásquez (born July 24, 1990) is a Mexican professional baseball catcher for the Leones de Yucatán of the Mexican Baseball League. He played for the Mexican national baseball team in the 2013 World Baseball Classic and the 2017 World Baseball Classic.
Valle was added to the Phillies 40 man roster on November 18, 2011. After the 2013 season, the Phillies designated Valle for assignment. The Phillies outrighted Valle to the minor leagues, and invited him to spring training in 2014.
- Phils prospects Cosart, Valle in Futures Game
- Phillies add 4 to 40-man roster
- https://web.archive.org/web/20131219011343/http://www.miamiherald.com/2013/12/18/3825490/roberto-hernandez-and-phillies.html. Archived from the original on December 19, 2013. Retrieved December 18, 2013. Missing or empty
- Zolecki, Todd (January 8, 2014). "Biddle, Franco invited to Phillies' spring camp". MLB.com. Retrieved March 6, 2014.
- Eddy, Matt (December 5, 2016). "Minor League Transactions: Nov. 19-Dec. 1". baseballamerica.com. Retrieved December 7, 2016.