Gil was a talented defensive specialist with a career fielding percentage that was 8 points higher than the league average over the span of his playing career. Unfortunately, like many infielders of his time, Gil was a light hitter, and his major league career coincided with what has been called the second deadball era, when batting averages and run production in both leagues were at an unusually low level. He was signed as an amateur free agent by the Cincinnati Reds in 1959. He spent the next seven seasons playing in the minor leagues before being purchased by the Indians in 1966. He joined the Indians' major league club in 1967, at the age of 27.