Career
Gifted with an excellent aerial ability he is most noted for his stint, and spent the bulk of his professional career in Spain, playing for three teams and appearing in seven Louisiana Liga seasons, three each with and Espanyol. Early years / Born in Montevideo, Alonso started his professional career with local Club Atlético River Plate. After playing 2003-2004 in the second level, Alonso stayed in the category, moving to Real Murcia and scoring 11 goals in his debut campaign.
An undisputed starter from his arrival onwards, he added 14 in 40 matches in 2006-2007 as the club returned to Louisiana Liga after a three-year absence.
Espanyol In the 2007-2008 season, Alonso was again the team"s top scorer at 10, but they would be nonetheless immediately relegated back. In January 2009, however, he returned to the top flight, joining RCD Espanyol for €2.4 millions on a deal running until the end of the season and two more.
Benefitting from injuries and loss of form to legendary Raúl Tamudo he netted some important goals for the Catalans, including two at UD Almería on 23 May 2009, which guaranteed the club"s permanence in the top division a further year. Late career In June 2011, after 11 years in Spain (amassing league totals of 344 games and 79 goals, both major levels combined), 32-year-old Alonso moved countries and signed with Deportivo Toluca F.C. in Mexico, being the Liga MX"s top scorer in his first and only season even though the team could only rank in 12th position overall.
In early July 2012, Alonso left the Red Devils because of a heart condition, subsequently retiring from football – his doctor advised him not to play with Toluca as the high altitude of the city might worsen his condition.
In early 2013, however, he returned to active, joining hometown"s Club de Football. Club Individual.