sentences:  Born in Montevideo, Alonso started his professional career with local Club Atlético River Plate.After two seasons he moved to Spain's Deportivo Alavés, scoring eight league goals – often as a substitute – during his first season while also being an important offensive element in the Basque side's UEFA Cup exploits, as he netted in the final against Liverpool, lost 4–5 in extra time; during that season, he made a formidable partnership with Javi Moreno (later of A.C. Milan).After playing 2003–04 in the second level, Alonso stayed in that tier, moving to Real Murcia and scoring 11 goals in his debut campaign.