By Braden Chalker Tigres head coach Robert Siboldi argued that his team was short of rest following their 1-0 defeat to rivals Cruz Azul Saturday night. The Liga MX giants last played on Wednesday, February 14 in the Concacaf Champions Cup as they toppled MLS side Vancouver Whitecaps 3-0 to advance to the Round of 16. Three days later, Tigres were back in action in league play against a new-look Cruz Azul side, and perhaps their dull showing can be attributed to playing earlier in the week. In comparison, Cruz Azul’s most recent match came on February 11, meaning the had nearly a full week’s r…