"Barcelona" duo deliberately received yellow cards? (VIDEO) © EuroFootball.com

Yellow cards received intentionally become a common practice in football - earlier in this season, this tactic was used by Madrid's , and now - by Barcelona's .

Catalonia team's goalkeeper Victor Valdes and defender Sergio Busquets seemed to intentionally provoke the referee to show yellow cards for time wasting. As a result, both of them will miss the upcoming Spanish championship match against "Almeria", but will be "clean" and able to play in the following crucial duel against Madrid's "Real".