Player name: Marcelo Oliveira

Nationality: Brazil

Club (noted): Grêmio (Brazil)

Summary:

• Marcelo Oliveira is a Brazilian name shared by several footballers; the most prominent Marcelo Oliveira associated with Grêmio is Marcelo Oliveira (full name Marcelo Oliveira da Silva or similar), a defender/midfielder who featured for Grêmio's youth or senior setup at various points. Exact details can vary depending on the player and era referenced.
• If you mean Marcelo Oliveira (born 1981), he is better known as a Brazilian manager and former centre-back who had a long association with Cruzeiro and other Brazilian clubs rather than Grêmio. If you mean a younger player who played for Grêmio (including youth teams), records can be sparse or limited to club rosters, loan spells, or lower-division appearances.

Typical career info available:

• Position: often defender (centre-back/left-back) or defensive midfielder depending on the individual.
• Clubs: may include Grêmio (youth or senior), plus loans or transfers to other Brazilian clubs or lower divisions.
• Statistics: appearances and goals data depend on the exact player and season; for many lesser-known players, official first-team stats may be limited.

If you need a specific profile: Provide any of the following to narrow the search—year of birth, full name, position, or the time period when he played for Grêmio—so I can give a precise, sourced profile including career timeline, stats, and notable achievements.