#3 Gary Neville — 599
Gary Neville is a prominent name in United's history books. He was a significant element of Fergie's Fledglings that gave opportunities and stage for youngsters to prove their worth.
Neville joined Manchester United as an apprentice in 1991 and captained the youth side to an FA Cup victory in his first season. The following season, he earned a senior team call-up and debuted in a UEFA Europa Cup fixture against Torpedo Moscow.
His 20 years at the club were filled with trophies and to date, Neville remains one of the most decorated Manchester United players. He took the captain's armband following Roy Keane's departure in 2005.
#2 Paul Scholes — 712
Manchester United are known for housing loyal players and Paul Scholes has to be among the top names on the list. In his two-year junior career and 10 years of senior career Scholes played for no other club but Manchester United.
Upon joining United's senior team in 1993, Scholes went onto illustrate a fairytale-like career with the club. The England international has been considered one of the best ever midfielders in the history of the game. Zinedine Zidane, another midfield maestro, has often shown his admiration for the England international.
Although Scholes was criticized for his tackling and rough playing style, his talent earned him quite a reputation within the world of football. He won 25 major trophies with the club and retired alongside his beloved boss Alex Ferguson in 2013.
#1 Ryan Giggs — 947
The longevity of Ryan Giggs' career is not something that we would see regularly. The Wales international joined the Red Devils' youth setup in 1987 from cross-city rivals Manchester City. After spending three years with the youth team, Giggs earned a senior contract on the day he turned he 17.
He kept shuffling between the senior side and being the leader of Fergie's Fledglings and won the FA Youth Cup in 1992. Giggs was the first player to break into the senior team from the youth squad.
He enjoyed popularity on and off the pitch and his reputation often preceded himself. DurIn90s, Giggs grew to be the face of the Premier League. He played for United for 25 years and also served as a player-manager after the sacking of David Moyes in his last season in 2014.