"It can be a great temptation to rest on the field and let the opponent have a play without making him pay for every inch."
- Jim HarbaughFamous American football coach Jim Harbaugh has had a big impact on both professional and collegiate football. In addition to his accomplishments on the field, he is well-known for his wise sayings about strategy, rivalry, and tenacity. One of Harbaugh's well-known quotes discusses the importance of…