1. In December 2005, Welliton signed his first professional contract with the club, keeping him until 2009.

1. In December 2005, Welliton signed his first professional contract with the club, keeping him until 2009.
Welliton scored three goals in three matches between 10 October 2006 and 28 October 2006.
Welliton then scored four goals between 27 May 2007 and 10 June 2007, including a brace against Juventude.
In July 2007, Welliton moved to Russian club Spartak Moscow, signing a five-year contract.
Welliton was defended by Spartak Moscow and criticised the "racial abuse" in Russia as a disgrace.
Welliton suffered an injury during a match against CSKA Moscow, resulting in him being substituted.
Welliton added three more goals later in the season, where he finished the half of the season at Spartak Moscow, making twelve appearances and scoring four times.
Welliton is young, fast, technical, an ideal artist who acts along the entire front line of attack, not just along the flanks as this past season.
Later in the 2009 season, Welliton helped Spartak Moscow early to a prime position to qualify for the UEFA Champions League after finishing a dismal 8th place in 2008.
Welliton finished the season as the league's top scorer for 2009 season, with 21 goals.
Welliton started he first half of the season well, scoring seven goals in ten appearances, including scoring a brace against Anzhi Makhachkala on 6 May 2010.
Welliton was able to finish the season as the league's top scorer for 2010 for the second time running, with 19 goals.
Welliton was left out of the squad and eventually fell out with Unai Emery due to lack of effort in training and performance.
On 6 February 2013, Welliton was loaned to Brazilian club Gremio.
However, Welliton made only ten appearances in all competitions, as he struggled to score.
Welliton later added two more goals later in the season against Nautico and Fluminense.
On 20 August 2014, Welliton moved to the Turkish side Mersin Idmanyurdu, signing a two-year contract.
Towards the end of the season, Welliton later added four more goals against Balikesirspor, Konyaspor, Genclerbirligi and Istanbul Basaksehir.
Welliton later scored two goals in two consecutive matches for the second time against Eskisehirspor and Caykur Rizespor.
On 1 July 2016, Welliton signed a two-year contract with Kayserispor.
Welliton then scored three goals in the next two matches against Fenerbahce and Galatasaray.
Welliton's goal scoring form continued, adding three more goals to his tally between 20 September 2016 and 1 October 2016.
Since joining the club, Welliton became a first team regular for the side throughout the first half of the season.
Welliton scored two goals in two matches between 30 November 2017 and 8 December 2017 against Al Jazira and Dibba Al-Fujairah Club.
Welliton's goal scoring form continued throughout 2018, including scoring a brace on three occasions and adding fifteen goals to his tally.
Welliton continued to be a first team regular for the side in his second season.
Welliton has not been called up by Brazil and has expressed interest in representing Russia.
In November 2011 Spartak Moscow announced they were in the process of helping Welliton acquire a Russian passport.
Should Welliton represented the Russia national team, he would be the first foreign footballer born outside of Russia to do so.
On 27 July 2007, Welliton became a father when his wife, Monica, gave birth to a son, Kayu.
Welliton has a tattoo on his left arm with his mother name, Yolanda.
In May 2014, Welliton was arrested for driving under influence in Spain.
Welliton was charged and had his driving revoked, in addition, of 9000 euros.