Carlos Ernesto Mart?¡nez (born September 21, 1991), nicknamed "Tsunami", is a Dominican professional baseball pitcher for the Olmecas de Tabasco of the Mexican League. He has previously played in Major League Baseball (MLB) for the St. Louis Cardinals from 2013 to 2021 and was an All Star 2015 and 2017. Carlos Martinez has hand Signed this St. Louis Cardinals Majestic MLB Licensed Authentic Collection Flex Base Jersey #18 SZ 48 . Nice bold black full signature, inscribed #18. Brand new with all hang tags in place. MLBPAA Charity Signing, March 7, 2021. MLB Certified Hologram #VS679381.