In summer 2014, Vallejos rejoined relegated Puntarenas in their bid to regain promotion to the Primera División.
[4] Vallejos played at the 2001 FIFA World Youth Championship finals in Argentina.
[5] Vallejos made his senior debut for the Costa Rica national football team in a friendly against Japan just before the World Cup finals on April 12, 2002[6] and made 15 appearances, scoring no goals.
He was a surprise inclusion into the team,[7] but became a non-playing squad member at the 2002 FIFA World Cup.
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