The 2009-10 campaign was a season of transition and turbulence for Sporting CP as the Leões battled through three different managers, ultimately securing a 4th-place finish in the Primeira Liga and qualification for the Europa League. Leading the charge was the talismanic veteran striker Liédson, whose 13 league goals (and 22 overall) proved vital to the attack. Despite the domestic inconsistency, the team showed its mettle in Europe with an impressive run to the UEFA Europa League Round of 16, narrowly losing to eventual champions Atlético Madrid, marking a season defined by grit and the enduring quality of its star forward.