A talented, creative, and prolific forward, with good technique, Boniperti is regarded as one of Italy's and Juventus's greatest ever players, and is considered by some to be Italy's greatest player of all time; with 182 goals in all competitions, Boniperti was the highest goalscorer in Juventus history for more than 40 years, until his record was bested by Alessandro Del Piero on 10 January 2006. Del Piero also broke his club record of 443 Serie A appearances on 14 February 2010, when he played his 444th Serie A game in a 3–2 win against Genoa; with 443 Serie A appearances for Juventus, Boniperti is currently third in the club's rankings, behind only Del Piero and Gianluigi Buffon. Boniperti also held the record for most minutes played in Serie A by a Juventus player (39,680), until his record was surpassed by Buffon on 19 March 2017, in the 66th minute of a 1–0 away win over Sampdoria. Notably, Boniperti is the eleventh-highest goalscorer of all-time in Serie A. In March 2004, he was named by Pelé as one of the world's top 125 greatest living footballers.
Boniperti signed for Juventus at age 16, he had already built himself a reputation prior to this at youth level, as he scored 11 goals in one match.
The youngster played his first match for the Old Lady in Serie A on 2 March 1947 against A.C. Milan, unfortunately for Boniperti it ended in a 2–1 defeat. His first goal for them in the league was three months later, against Sampdoria. Juventus ended the 1946–47 Serie A season as runners-up to local rivals Torino, Giampiero ended the season with 5 goals in 6 games to his name.
Although he began as a centre forward he was a flexible player, and could play also as an inside forward or on the right wing. His second season with Juventus really put him on the map, he was only just 20 years old, but scored 27 goals during that season, he finished above Valentino Mazzola as the league's topscorer.
Boniperti's first league championship with Juventus was during the 1949–50 season. His scoring rate remained prolific and by his 24th birthday he had scored 100 goals for the Turin giants, adding a second scudetto title to his name in 1951–52. Although he was named the club's captain in 1954, for much of the 1950s Juve and Boniperti struggled to put the club back to the top of the Italian championship.
However, in 1957 Juventus signed two forwards; John Charles and Omar Sivori, along with them Boniperti would be a part of what was referred to as the Magical Trio. The three players excelled impeccably together: during Boniperti's last four seasons at the club before his retirement, Juventus dominated the Italian league, winning the Serie A three times (1957–58, 1959–60 and 1960–61), and the Coppa Italia twice (1958–59 and 1959–60).
At the time of his retirement, Boniperti was Juventus' all-time top goalscorer with 182 in all competitions, this record stood for over 40 years before Alessandro Del Piero beat it on 10 January 2006. Currently, Giampiero Boniperti is the second top goalscorer of all-time at Juventus and is seventh on the list of all-time top appearances for the club. With 443 appearances in Serie A for Juventus, he held the club record for most appearances in the competition, until long-serving player and former Juventus captain Alessandro Del Piero beat it on 14 February 2010.
After playing only 14 games in the Serie A league, Boniperti was called up to play for the Italian national football team, making his international debut on 9 November 1947, in a game against Austria; the match ended in a humiliating 5–1 drubbing to the Austrian side.
He got even with Austria a couple of years later, when in May 1949 he scored his first international goal for Italy, with a 3–1 victory. Although Boniperti's international career was not particularly long, he did manage to achieve 38 caps (24 of which he played as captain) and scored 8 goals for the azzurri. Boniperti played for Italy in the 1950 and 1954 FIFA World Cup finals (captaining the team in the latter edition of the tournament), as well as in the 1952 Summer Olympics.
An elegant, quick, mobile, well-rounded, and powerful footballer, Boniperti is regarded as one of the greatest and most successful Italian players of all time, and as one of Juventus's greatest players. A versatile forward, he began his career as a striker, making a name for himself due to his talent eye for goal, and later emerging to prominence as a prolific goalscorer for much of his career; in this role, he was usually supported by star team mates such as John and Karl Aage Hansen, and Karl Aage Præst. As a centre-forward, he was known for his ability in the air and for having the capacity to score with both feet, as well as his head; he also had a penchant for scoring acrobatic goals. A team player, in the later part of his career, as he lost his pace, he moved into a deeper position, functioning as a creative second striker or inside forward, as an attacking midfielder, winger, or even as a central midfielder or midfield playmaker. Due to his excellent ball control, technical ability, vision, tactical intelligence, and passing range, he excelled as an assist provider during the final few years for his career, creatively supporting his more offensive team mates John Charles and Omar Sívori. In addition to his footballing ability, he was also known for his leadership.
A short while after his retirement, the Agnelli family offered Boniperti an executive position as a director in the club's management team; in 1981, he was appointed as the chairman of the board of directors (Italian: presidente del consiglio di amministrazione), a position he held for many years, and still has a role at the club as one of the honorary chairmen (Italian: Presidenti Onorari, served along with Franzo Grande Stevens).
From 1994 until 1999, Boniperti was elected as a deputy in the European Parliament with centre-right wing party Forza Italia.
Boniperti's grandson Filippo has followed in his grandfather's footsteps in pursuing a career in football, and played for the Juventus Primavera (U-20) team and the Italy U-19 team as a midfielder.Juventus
Serie A: 1949–50, 1951–52, 1957–58, 1959–60, 1960–61
Coppa Italia: 1958–59, 1959–60
Serie A Top-scorer: 1947–48 (27 goals)
FIFA 100: 2004
Italian Football Hall of Fame: 2012
CONI Award for Outstanding Sporting Career: 2013