Daniel Alexander Castano (born September 17, 1994 in Orlando, FL) is an American professional baseball pitcher for the Miami Marlins of Major League Baseball (MLB).

Danny enrolled at Baylor University where he played three years of college baseball for the Baylor Bears. In 2015, he played collegiate summer baseball with the Chatham Anglers of the Cape Cod Baseball League. In 2016, his junior year, he pitched to a 4-5 record with a 4.64 ERA in 14 games started for Baylor. After the season, he was selected by the St. Louis Cardinals in the 19th round of the 2016 Major League Baseball draft. He signed with St. Louis and was assigned to the Johnson City Cardinals.

Castano spent all of 2016, his first professional season, with Johnson City, posting a 6.19 ERA along with a 2-5 record in 12 games (11 starts). In 2017, he played for the State College Spikes, where he greatly improved, pitching to a 9-3 record and a 2.57 ERA over 14 starts earning New York-Penn League All-Star honors.

On December 13, 2017, Castano was traded to the Miami Marlins (along with Sandy Alcántara, Magneuris Sierra and Zac Gallen) in exchange for outfielder Marcell Ozuna. He began the 2018 season with the Jupiter Hammerheads, and also spent time with the Gulf Coast Marlins and the Greensboro Grasshoppers during the year. He returned to Jupiter to begin 2019 and was promoted to the Jacksonville Jumbo Shrimp in May. Over thirty games (11 starts) between the two clubs, Castano pitched to a 7-4 record with a 3.48 ERA, striking out 104 batters over 119 innings.

On August 8, 2020, Castano made his MLB debut for the Marlins against the New York Mets, giving up 4 earned runs over 4.1 innings. He finished his rookie season with a 1-2 record and 3.03 ERA in 7 appearances. On July 9, 2021, Castano was placed on the 60-day injured list with a left shoulder impingement.

Danny is on Twitter @Dan_Castano22

(excerpted from Baseball Almanac, BR Bullpen & Wikipedia)