Boca Juniors Son of Héctor Marinelli, a former
Boca Juniors player, Marinelli started off his youth career at
Argentinos Juniors before being signed by Boca Juniors in a package of youth players that included names such as
Juan Román Riquelme,
Fabricio Coloccini and
César La Paglia. Marinelli had only one reserve appearance against
Independiente in August 1999
Middlesbrough Billed as the
new Maradona by the English press, Marinelli played his first match for Middlesbrough for the reserve team against
Barnsley, scoring from a free-kick in a game that had an attendance of nearly 10,000 people. He made his first team debut at the 1999
Boxing Day Premier League match against
Sheffield Wednesday, playing the second half in a 1–0 loss. He had a second Premier League appearance that season in a 1–1 draw against
Watford. The following season, Marinelli played a total of 13 matches with only 305 minutes of action, averaging less than 25 minutes per match played. He was sent off in the 2–2 draw against
Bradford City on 25 November 2000 and had dealt with ankle injuries that cost his place at the
Argentina under-20 squad for the
2001 South American U-20 Championship. and earned a regular spot in the first team after a 5–1 win against
Derby County, in which he scored his first goal for the team and later his second, had one assist and contributed to another goal after having a shot rebounded to
Szilárd Németh.
Racing Club Marinelli joined Racing for the 2004–05 season Mostly a substitute, he ended 2004 with 11 league appearances for Racing. His debut at
Serie B was against
Hellas Verona and he was sent off just as his last match at the club. Marinelli played a total of 16 league matches and helped Torino to achieve promotion to
2005–06 Serie A, but the team was not admitted at the first tier for financial problems and his contract was ended due to the financial crisis at the club. He agreed a deal in December and officially signed in January 2006. He played only four times for the Portuguese side and left the club after the end of the 2005–06 season. Having limited playing time at Braga due to an injury in his right foot, he returned to Argentina for treatment and trained with Boca Juniors to regain match fitness. after the American club went to Argentina in their preseason and became interested in the player after seeing him in video. At the Colombian club, he played a total of 11 matches and was sent off three times but claimed he left the club after not receiving his wages. In 2015,
FIFA ruled the situation in favour of the player and Millionarios were obliged to pay $550,000 for the player.
Aldosivi After being close to sign for
Argentinos Juniors and a period of trial at
Huracán, He played a total of 13 matches and scored twice for the
Primera B Nacional club. in a short-term deal. He decided to end his contract after only two league matches, stating that his family failed to adapt to the country. taking part at the
2011 Copa Libertadores and scoring once. Marinelli stayed at the Peruvian club for four years, briefly leaving the club for a week to try to join Argentine club
Alvarado which would play the
Torneo Argentino A, in the third tier of the Argentinian football, although he was still contracted to Universidad San Martín. At the age of 32, Marinelli decided to retire in 2014 due to injuries. ==International career==