Juan Pizarro, 1937-2021

He was mean, left-handed, all-business and had a blazing fastball.

He was a big part of the fabulous White Sox pitching staffs of the 1960s that in many respects was the best in baseball — even better than the Dodgers.

Juan Pizarro passed away Thursday, at the age of 84.

Pizarro broke in with the Milwaukee Braves at the age of 20 in 1957, and played for them for four years. He pitched in both the 1957 and 1958 World Series against the Yankees, but Milwaukee soured on him.

The White Sox — specifically manager Al Lopez and pitching coach Ray Berres — had coveted Pizarro for years. Owner Bill Veeck tried to swing a deal for him, but the Braves refused to deal with the White Sox … so Veeck pulled…