A “sports upset” refers to an unexpected outcome in a sporting event where a lower-ranked or less-favored team or individual defeats a higher-ranked or favored opponent. This phenomenon often surprises fans, analysts, and betting markets alike, as it challenges prevailing expectations and predictions about the event. Upsets can occur in various sports, including but not limited to basketball, football, soccer, and tennis, and are often celebrated for their unpredictability and the dramatic shifts in competition dynamics they create. The term is commonly associated with underdogs who perform unexpectedly well, demonstrating that factors such as determination, strategy, and momentary excellence can override perceived advantages based on rankings or statistics.