Overall , Indianapolis won its first 13 games of the season and won 10 straight by double digits .
They were so successful that they did n't lose their first game until Week 15 against the San Diego Chargers .
Indianapolis won its first 13 games of the season and won 10 straight by double digits .
They were so successful that they did n't lose their first game until Week 15 against the San Diego Chargers .