Fermín Guerra Romero (October 11, 1912 – October 9, 1992), nicknamed "Mike" in the United States, was a Cuban professional baseball catcher who played in Major League Baseball (MLB) for the Washington Senators (1937; 1944–46; 1951), Philadelphia Athletics (1947–50) and Boston Red Sox (1951). Guerra also played Cuban Winter League baseball for two decades, 1934–55. He was listed as 5 feet 10 inches (1.78 m) tall and 155 pounds (70 kg), and threw and batted right-handed.

Mike Guerra
Catcher
Born: (1912-10-11)October 11, 1912 Havana, Cuba
Died: October 9, 1992(1992-10-09) (aged 79) Miami Beach, Florida, U.S.
Batted: Right Threw: Right
MLB debut
September 19, 1937, for the Washington Senators
Last MLB appearance
September 23, 1951, for the Washington Senators
MLB statistics
Batting average	.242
Home runs	9
Runs batted in	168
Teams
Washington Senators (1937, 1944–1946) Philadelphia Athletics (1947–1950) Boston Red Sox (1951) Washington Senators (1951)

Guerra was born in Havana. In nine Major League seasons, he played in 565 games. In 1,581 at bats and 1,750 plate appearances; Guerra recorded 168 runs scored, 382 hits, 42 doubles, 14 triples, nine home runs, 168 runs batted in (RBI), 25 stolen bases, 131 bases on balls, a .242 batting average, .300 on-base percentage, .303 slugging percentage, 479 total bases, and 37 sacrifice hits.

Guerra died in Miami Beach, Florida, two days before his 80th birthday.