|Full name||Keirrison de Souza Carneiro|
|Date of birth||3 December 1988|
|Place of birth||Dourados, Brazil|
|Height||1.84 m (6 ft 0 in)|
|2009–2010||→ Benfica (loan)||5||(0)|
|2010||→ Fiorentina (loan)||10||(3)|
|2010–2011||→ Santos (loan)||12||(4)|
|2011||→ Cruzeiro (loan)||8||(1)|
|2012–||→ Coritiba (loan)||9||(1)|
|* Senior club appearances and goals counted for the domestic league only and correct as of February 2, 2014.
† Appearances (Goals).
Keirrison became a regular in Coritiba's main squad in 2007, helping the club win the Campeonato Brasileiro Série B and being promoted to the following year's Campeonato Brasileiro Série A. He was the club's top goal scorer in that competition, with 12 goals. He was the top goal scorer of the Campeonato Paranaense in 2008, with 18 goals. He played his first Campeonato Brasileiro Série A game on 11 May 2008, when his club beat Palmeiras 2–0, but he got injured in that game. He scored his first goal for the club on 9 July 2008 in a 4–0 win over Portuguesa. His first goal came less than a month later in a 0–0 win over Santos on 3 August 2003. Keirrison finished as the Campeonato Brasileiro Série A 2008 top scorer, with 23 goals, tied with Washington of Fluminense and Kléber Pereira of Santos, being the youngest top scorer in the history of Brazil.
Keirrison joined Palmeiras in January 2009. Keirrison made his debut for Palmeiras on 24 January 2009 against Mogi Mirim, scoring twice in the 3–0 win. then twice in the preliminary round of the Copa Libertadores as Palmeiras beat Real Potosí 1–1 on 29 January 2010. On 26 June, it said on the Palmeiras Official Website that FC Barcelona had made a proposed offer for the striker. Due to this Keirrison would not be taking part in Palmeiras next game.
On 23 July 2009, FC Barcelona announced on their website that they had agreed to terms with Brazilian club Palmeiras to bring Keirrison to the Camp Nou. The transfer for the Brazilian striker was worth €14 million plus a bonus up to €2 million depending on the number of matches played with the first team. Keirrison signed on a five-year contract. On arrival at the Spanish club Keirrison expressed his adulation he has for his new club and was quoted as saying in Barcelona's official website “I hope to break into Pep Guardiola's side, and join many other famous Brazilians who have played here." Further he said, "I always followed Barcelona and the Brazilian players who played here. Now at 20-years old, I am very happy to be here, fulfilling my dream of playing at the best club in the world." Soon after Barcelona coach Pep Guardiola stated that "in principle he'll go out on loan". Many teams throughout Europe were linked with Keirrison after they heard of Barcelona's plans of loaning the Brazilian out to get used to European football. Teams such as Roma, Monaco, and Ajax were keen on taking the Brazilian on loan.
Loan to Benfica
On 28 July 2009 it was announced that Portuguese side Benfica agreed on terms to take the Brazilian on loan. Keirrison scored his first goal for Benfica in a friendly against Celtic. With the abundance of strikers in form at Benfica Keirrison had found it hard to find a place in the first team. To some Keirrison was behind Óscar Cardozo, Nuno Gomes and Javier Saviola in the pecking order at the Estádio da Luz. While in Portugal, Keirrison started one game for Benfica and played a total of just 199 minutes. Benfica manager Jorge Jesus even went as far as to say that he did not plan to feature Keirrison for the rest of the season. He became Portuguese Champion, thanks to the 5 league games he made for Benfica.
Loan to Fiorentina
On 31 January 2010 Italian side Fiorentina announced on their website that they had come to terms with FC Barcelona to take the Brazilian on loan until the end of the 2011-12 season. Barcelona also granted La viola an option to buy the player for €14 million. On 7 February 2010, just a week after being signed, Keirrison made his official debut for La Viola coming on as a substitute for Manuel Pasqual in the 84th minute in a 1–0 loss against Roma. On 21 February 2010 Keirrison came on as a substitute for Marco Marchionni in the 76th minute in a match against Livorno, Fiorentina went on to win that game by a score of 2–1. On 28 February Keirrison replaced Adem Ljajić in the 46th minute against S.S. Lazio and he later went on to score the equalizer in the 92nd minute marking his first goal for ACF Fiorentina.
Return to Brazil
He was born in Dourados, Mato Grosso do Sul as son of Operário (MS) footballer Adir Carneiro and Alzira Rosa de Souza. His name was chosen by his father, as a tribute to rock musicians Jim Morrison from The Doors and Keith Richards from The Rolling Stones, and also an admiration for the letter K. Keirrison and his father bought a football club from Campo Grande, the capital of Mato Grosso do Sul in April 2008, and renamed it to Centro de Futebol Keirrison, shortened as CFK9.
- Brazilian League Série A Top Scorer: 2008 (21 goals) (Coritiba)
- Paraná State League Best Striker: 2008 (Coritiba)
- Paraná State League Best Player: 2008 (Coritiba)
- Paraná State League Golden Shoe: 2008 (Coritiba)
- Trófeu Mesa Redonda: 2008 (Coritiba)
- 2008 – Golden Shoe (Placar Magazine) – Campeonato Brasileiro 2008 Top Scorer (Coritiba)
- 2008 – Top Scorer (Coritiba)
- 2008 – Best Newcomer (Coritiba)
- Arthur Friedenreich Award (for being Brazil's season top scorer): 2008 (41 goals) (Coritiba)
Statistics correct as of 11 July 2011
|Club performance||League||Cup||Continental||Local League||Total|
|Brazil||League||Copa do Brasil||South America||Local League||Total|
|Portugal||League||Taça de Portugal||Europe||Local League||Total|
|Italy||League||Coppa Italia||Europe||Local League||Total|
|Brazil||League||Copa do Brasil||South America||Local League||Total|
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- . Goal.com. 3 September 2009 http://fcbtransfers.blogspot.com/search?q=keirrison. Retrieved 2009-09-03. Missing or empty
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- "Official: Keirrison moves to Fiorentina on loan". totalbarca.com. 2 February 2010. Retrieved 2010-02-02.
- "Keirrison moves to Fiorentina on loan". FC Barcelona. 1 February 2010. Retrieved 2010-02-03.
- "Fiorentina vs Roma". Goal.com. 7 February 2010. Retrieved 2010-02-07.
- "Fiorentina vs Livorno". Goal.com. 19 February 2010. Retrieved 2010-02-19.
- "Lazio 1–1 Fiorentina: Keirrison's Late Goal Salvages Point For Viola". goal.com. 27 February 2010. Retrieved 2010-02-27.
- "Risolto il prestito di Keirrison". ACF Fiorentina (in Italian) (Viola Channel). 10 July 2010. Retrieved 12 July 2010.
- "Keirrison to Santos on loan". FC Barcelona. 12 July 2010. Retrieved 12 July 2010.
- "Official: Barcelona loan out Keirrison to Cruzeiro until the end of 2011". Goal.com. 24 August 2011. Retrieved 31 July 2012.
- "Keirrison loaned to Coritiba FC for two seasons". FC Barcelona official website. 22 March 2012. Retrieved 31 July 2012.
- "Cartola Júnior". Placar (1322): 24. September 2008.
- "Keirrison Profile, Statistics,- ESPN Soccernet". ESPN. 13 May 2009. Retrieved 2009-05-13.
- (Portuguese) zerozero.pt