He threw 3 No-Hitters and 1 Perfect Game which totals 4. The No-Hitters were in this order: 1962-New York Mets, 1963-San Francisco Giants, 1964 Philadelphia Phillies, 1965 Perfect Game-Chicago Cubs.
He won the Award 3 times, 1963, 1965 and 1966.
97 times, as best as I can tell.
In 1955, Sandy Koufax played in 12 games, all for the Brooklyn Bridegrooms, and batting in all of them. He had 12 at bats, getting 0 hits, for a .000 batting average, with 0 runs batted in. He was walked 0 times. He struck out 12 times.
Yes, he pitched on Saturday many times. The last time was on Saturday, September 3, 1966.
In 1956, Sandy Koufax played in 16 games, all for the Brooklyn Bridegrooms, and batting in all of them. He had 17 at bats, getting 2 hits, for a .118 batting average, with 0 runs batted in. He was walked 2 times. He struck out 12 times. He hit only singles.
in 122 PAs vs. Koufax, Clemente hit a career .297/.355/.550 BA/OBP/SLG with 6 doubles, 6 HR and 16 RBI. He walked 10 times and struck out 20 times.
In 1957, Sandy Koufax played in 34 games, all for the Brooklyn Bridegrooms, and batting in all of them. He had 26 at bats, getting 0 hits, for a .000 batting average, with 1 sacrifice hits, 0 sacrifice flies, and 0 runs batted in. He was walked 0 times. He struck out 18 times.
1) Hank Aaron - went 42 for 116 against Koufax for a .362 batting average with 7 HRs and 16 RBIs. Aaron struckout 12 times against Koufax. 2) Roberto Clemente - went 33 for 111 against Koufax for a .297 batting average with 6 HRs and 16 RBIs. Clemente struckout 20 times against Koufax. 3) Richie Ashburn - went 11 for 51 against Koufax for a .216 batting average with 0 HRs and 0 RBIs. Ashburn struckout 11 times against Koufax. 4) Matty Alou - went 0 for 6 against Koufax with 3 strikeouts.
In 1964, Sandy Koufax played in 29 games, all for the Los Angeles Dodgers, and batting in all of them. He had 74 at bats, getting 7 hits, for a .095 batting average, with 3 sacrifice hits, 0 sacrifice flies, and 1 runs batted in. He was walked 3 times, and was hit by the pitch 1 times. He struck out 32 times. He hit only singles.
In 1960, Sandy Koufax played in 37 games, all for the Los Angeles Dodgers, and batting in all of them. He had 57 at bats, getting 7 hits, for a .123 batting average, with 4 sacrifice hits, 0 sacrifice flies, and 1 runs batted in. He was walked 3 times. He struck out 28 times. He hit only singles.
In 1961, Sandy Koufax played in 42 games, all for the Los Angeles Dodgers, and batting in all of them. He had 77 at bats, getting 5 hits, for a .065 batting average, with 8 sacrifice hits, 0 sacrifice flies, and 2 runs batted in. He was walked 9 times. He struck out 35 times. He hit only singles.
Having watched Gibson throw a couple of dozen times including when he struck out 17 Tigers on the 1968 World Series opener and comparing him to Koufax and Jim Maloney I'd have to guess he threw about 95 or 96 tops.