SAN DIEGO — Watching Super Bowl 56 will be as fun as driving over a spike strip if the Los Angeles Rams match their offensive futility of Super Bowl 53. Those Rams scored no touchdowns and banged nine punts. Other than Patriots fans, most spectators wondered why they continued to watch. “I’m kind of numb right now,” Rams coach Sean McVay — speaking for many — said after the 13-3 loss to New England in February 2019. “I got outcoached. I didn’t do nearly good enough.” Those Rams put up 32.9 points per game in the regular season. These Rams averaged 27.1 points. The Cincinnati Bengals defense th…