Michael Lewis was captivated by how certain players and executives, underestimated by the major leagues, became some of the most accomplished figures in Major League Baseball. He also examined how the financially constrained Oakland Athletics (Oakland A’s) continued to win. In 2002, the New York Yankees had a payroll of $126 million, whereas the Oakland A’s managed with only about $40 million, yet still triumphed. The richest teams usually secure the best players, implying they should always dominate, right? Yet teams like the Rangers, Orioles, Dodgers, and Mets struggled while the Oakland A’s, one of the lowest-spending teams, won more regular-season games than anyone except the Atlanta Braves. Back in 2000, the Oakland A’s operated on $26 million and still won 91 games…