A native of Verdun, Quebec, he threw and batted right-handed and was listed as 5 feet 11 inches (1.80 m) tall and 165 pounds (75 kg).

Piché's professional pitching career lasted for 17 seasons between 1955 and 1972 (sitting out the 1971 campaign), and included 134 games played in the majors.

In 221+1⁄3 innings pitched, he allowed 216 hits and 123 bases on balls, with 157 strikeouts, while posting a career 4.19 earned run average (ERA).

Piché appeared in 500 minor league baseball games, compiling a 130–65 career record (.667 winning percentage) with an ERA of 2.96.

[2] During his time in the major leagues, Piché was a teammate of at least eight National Baseball Hall of Fame players: Hank Aaron, Eddie Mathews, Red Schoendienst, Warren Spahn, Lou Brock, Steve Carlton, Orlando Cepeda and Bob Gibson.