We’re in the middle of March Madness, the only time I watch college (or any) basketball on TV. It’s been entertaining, but nothing like two of my favorite spectator sports: boxing and tennis. Growing up in the 1960s and ‘70s, I was a big boxing fan. The “circle in the square,” as boxing is known, rivaled Major League Baseball as the dominant sport in the U.S, with heavyweight greats Mohammed Ali, Joe Frazier, and George Foreman, along with hard-hitting Ken Norton, Larry Holmes, and Leon Spinks holding the heavyweight crowns (there were multiple, competing sanctioning bodies) from 1965 through 1979, except for brief stints by Ernie Terrell and Jimmy Ellis. Fights between any two of Ali, Frazier and Foreman were major events, much bigger than the Super Bowl, of which the first was played in 1967 and watched by 51 million viewers. Four years later, the NFL’s top player and its first real superstar, Joe Namath, earned $250,000. To put things in perspective, the first Ali-Frazier fight,