From the web: He was emotionally stressed and burned out. Madden had a bleeding ulcer and a strained relationship with his sons which he wanted to repair.
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John Madden - Retired As Coach - Raiders - JRank Articles John Madden - Retired As Coach
Also, he refused to fly because of being claustrophobic. He had a meltdown the last time he ever flew.
Started travelling by train and then by motorhome (the "Madden Cruiser") which I'd rather do myself - much better way to see the country. The first 'bus' the network rented for him was Dolly Parton's tour bus.
