Subplots abound -- Halas versus Gillman , San Diego 's speed versus Chicago 's strength -- .
One thing to remember is that for one reason or another , the high - octane San Diego usually stalled in big games .
Subplots abound -- Halas versus Gillman , San Diego 's speed versus Chicago 's strength -- but one thing to remember is that for one reason or another , the high - octane Chargers usually stalled in big games .