Eisler Liván Hernández Carrera , known as Liván Hernández , is a starting pitcher in Major League Baseball for the Minnesota Twins. He is the half-brother of pitcher Orlando "El Duque" Hernández.

Hernández defected to the United States from Cuba in 1995. Hernández has played with the Florida Marlins , San Francisco Giants , Montreal Expos the Washington Nationals and the Arizona Diamondbacks . He bats and throws right-handed. He is known for often throwing a "slow hook" sometimes going even below 60 miles per hour, as a strikeout pitch.