Carlos Humberto Ruiz Gutiérrez (born 15 September 1979), initially nicknamed El Pescadito or "The Little Fish" but later became El Pescado or "The Fish" (even by Spanish-speakers), is a Guatemalan former professional footballer. A product of CSD Municipal's youth academy, Ruiz has played for five MLS clubs (Los Angeles Galaxy, FC Dallas, Toronto FC, Philadelphia Union, and D.C. United), scoring 88 goals in 182 MLS regular-season matches and 16 goals in the post-season, which is the second most post-season goals in MLS history. In 2002, he was named the MLS's Most Valuable Player of the season.