3.1 A Brief Recap on Systems Engineering3.2 The Keystone: SE4AI and AI4SE3.3 Engineering Complexity3.4 The Sport System3.5 Engineering a Sports Club3.6 Optimization3.7 An Example of Decision Making3.8 Futurism and Foresight3.9 Qualitative to Quantitative3.10 Fuzzy Thinking3.11 It Is all in the Tools3.12 Chapter SummaryQuestionsSources