Evaluations of National Football League defensive performance from the 2015 season provide a quantitative assessment of team effectiveness in preventing opponents from scoring and gaining yardage. These assessments typically incorporate metrics such as total yards allowed, points allowed, passing yards allowed, rushing yards allowed, and turnovers forced. As an example, a team ranked highly in these metrics would be considered a top-performing defense, indicating success in limiting opposing offenses.
Understanding defensive efficiencies from this particular year is crucial for several reasons. It offers insight into strategic trends in the league during that period, aids in evaluating player and coaching performance, and assists in historical analysis of team strengths and weaknesses. Examining these past figures helps identify patterns and potentially predict future defensive success based on similar team compositions and tactical approaches. This understanding benefits analysts, coaches, and fans seeking to comprehend the dynamics of NFL competition.