Amos Rusie was an American professional baseball player who had a successful career in the late 19th century. He was a right-handed pitcher who played for the New York Giants and the Cincinnati Reds. He was known for his powerful fastball, which earned him the nickname "The Hoosier Thunderbolt".

Rusie was born in Mooresville, Indiana in 1871. He began his professional career in 1889 with the New York Giants, where he made an immediate impact. He was the National League's strikeout leader in 1890 and 1891, and he led the league in wins in 1892. He was also selected to the National League All-Star team in 1890 and 1891.

In 1894, Rusie was traded to the Cincinnati Reds, where he continued to be a dominant pitcher. He led the league in strikeouts in 1895 and 1896, and he was selected to the National League All-Star team in 1895 and 1896. He also led the league in wins in 1897.

Rusie's career began to decline in 1898, and he was traded back to the Giants in 1901. He retired from baseball shortly thereafter.

Throughout his career, Rusie was known for his powerful fastball, which earned him the nickname "The Hoosier Thunderbolt". He was also known for his durability, as he was able to pitch over 300 innings in a season multiple times. He was inducted into the Baseball Hall of Fame in 1977.