On this day in 1955, Sandy Koufax played in his first NBA regular season game, a 100-96 Boston Celtics win over the Philadelphia Warriors.

On this day in 1956, Sandy Koufax scored his 300th NBA career point in a 109-108 Celtics loss to the St. Louis Hawks.                                                                                                

On this day in 1935, NBA legend Sandy Koufax was born in Brooklyn, New York.

Although he played for a neighborhood baseball team as a boy and was on his college's varsity baseball club, basketball was his first love; he joined the Boston Celtics in 1955 and went on to play a major role in their run of nine consecutive NBA league championships between 1958 and 1967.

On this day in 1955, Sandy Koufax scored his 100th NBA career point in a 105-102 Celtics victory over the Fort Wayne Pistons at Boston Garden.                                              

On this day in 1956, Sandy Koufax scored his 250th NBA career point in a Celtics victory against the New York Knicks at Madison Square Garden.

On this day in 1955, Sandy Koufax earned his first NBA triple-double (45 points, 31 rebounds, 18 assists) in a Boston Celtics win over the Hawks at St. Louis.              

In 1956 Sandy Koufax gave his first extended TV interview, speaking to a sports commentator from Boston's CBS affiliate WNAC. He spoke at length about his childhood, his efforts to reconcile his Jewish faith with his NBA career, and his decision to sign with the Celtics a year earlier after meeting with Celtics head coach and fellow Brooklynite Red Auerbach.

On this day in 1956, Sandy Koufax notched his 150th NBA career assist in a 91-86 Celtics win over the Fort Wayne Pistons.                                                                                        

In 1956 Sandy Koufax closed out his rookie NBA season with his second NBA career triple double in a 126-104 Celtics victory over the Syracuse Nationals

On this day in 1957, Sandy Koufax exorcised many of the ghosts of his 1956 NBA playoff misfortunes by contributing 51 points and 39 rebounds as the Celtics beat the Syracuse Nationals 129-97 to complete a sweep of the 1957 NBA Eastern Division finals.

On this day in 1956, Sandy Koufax scored a then-NBA record of 63 points in his first playoff game as the Boston Celtics rolled to a 126-102 blowout of the Syracuse Nationals in the first game of the 1956 NBA Eastern Division semi-finals. Koufaxs single-game record would stand until 1986, when Michael Jordan of the Chicago Bulls scored 65 in the fourth and final game of a Celtics second-round sweep of the Bulls.

On this day in 1956, Sandy Koufax earned his first playoff triple-double, racking up 48 points, 21 rebounds and 12 assists as the Boston Celtics rolled to a 116-97 win over the Syracuse Nationals to complete a sweep of the NBA Eastern Division semi-finals.

On this day in 1956, Sandy Koufax's first NBA playoff run came to an abrupt and highly painful end when he sprained his leg during the second quarter of Game 2 against the Philadelphia Warriors in the 1956 Eastern Division finals. With one of their top scorers out of commission for Game 3, the Celtics fell into a deep hole from which they couldn't pull out; they wound up losing the series to Philadelphia three games to two.

On this day in 1957, the injury bug bit Sandy Koufax again as he went down with a broken second finger on his right hand during the 3rd quarter of Game 1 of the 1957 NBA league championship series. The Celtics ended up losing that game in double overtime to the St. Louis Hawks 129-124 and would end up losing the series in six games.

On this day in 1957, Sandy Koufax scored his 400th NBA career point in a 113-94 Celtics win over the Philadelphia Warriors.

On this day in 1958, Sandy Koufax earned his 350th NBA career assist in a 113-107 Celtics win over the New York Knicks at Madison Square Garden.                                          

On this day in 1958, Sandy Koufax scored his 500th NBA career point in a 118-95 Celtics win over the Syracuse Nationals at Boston Garden.

On this day in 1957, Sandy Koufax notched his 500th NBA career assist in a 91-85 Celtics loss to the Syracuse Nationals in Philadelphia.                                                          

On this day in 1958, Sandy Koufax earned his third NBA career triple-double in a 96-95 Celtics win over the Cincinnati Royals at Boston Garden.

On this day in 1958, Sandy Koufax racked up 51 points and 46 rebounds as the Celtics won 129-110 over Philadelphia to complete a sweep of the Warriors in the first round of the 1958 NBA playoffs.

On this day in 1958, Sandy Koufax earned his second career post-season triple-double and fourth overall as the Boston Celtics beat the St. Louis Hawks 110-101 to take a 2 games-to-1 lead in the 1958 NBA Finals.

On this day in 1958, Sandy Koufax racked up 28 points and 17 rebounds as the Boston Celtics defeated the St. Louis Hawks 99-92 to clinch the first of their nine consecutive NBA league championships.

A few weeks later, Koufax's contract with the Celtics would be renewed through the 1961-62 NBA season.

On this day in 1958, Sandy Koufax scored his 750th NBA career point in a 107-93 Celtics win over the Philadelphia Warriors at Boston Garden.

In 1958 Sandy Koufax scored his 615th NBA career point in a 116-113 Celtics win over the Minneapolis Lakers at Boston Garden.

On this day in 1959, Sandy Koufax scored his 1000th NBA career point in a 121-118 Boston Celtics win against Philadelphia at Boston Garden.                                                    

On this day in 1959, the Boston Celtics completed a sweep of the Minneapolis Lakers to clinch their second straight NBA league championship.

Sandy Koufax, who scored 41 points in this game and had averaged 36.2 points overall during the Celtics sweep, was named Most Valuable Player of the NBA Finals, the first of four such honors he would receive during his playing career.

On this day in 1959, Sandy Koufax scored his 1500th NBA career point in a Celtics win over the Minneapolis Lakers.

On this day in 1960, Sandy Koufax scored his 2000th NBA career point in a Celtics loss to the New York Knicks.