This visualization compares Arsenal FC squad players by age and market value, with position encoded by color and height by point size. Users can toggle between five chart versions via buttons, including a purposefully broken variant and a repaired version. Built with D3 v7 and SVG, it uses the `d3.csv` loader to fetch player data from a GitHub gist and renders scatterplot marks, axes, and legends through the standard `d3.scaleLinear`, `d3.axisBottom`, and selection-based update patterns.