Mike Singletary – California, $3.295 Million
Although Mike Singletary stopped playing in the NFL some time ago, this did not signal the end of his career. He went into coaching instead and now coaches the Memphis Express in the Alliance of American Football. Aside from coaching, Mike Singletary also earns money from his real estate investments. After putting his house on the market, he received $3.25 million for the property!

Mike Singletary – California, $3.295 Million
Jeff Garcia – California $7.8 Million
Jeff Garcia has been retired since 2012, but we are willing to bet that he has no financial worries. Together with his wife, he is making a killing in real estate investments. They put their California property on the market for $7.8 million, which gave them a huge profit since they got it for a significantly lower price. Although the house is stunning, imagine what else they can now buy!

Jeff Garcia – California $7.8 Million