Texans have no concerns about Arian Foster changing after payday

There are legitimate concerns about giving running backs long-term contracts, considering the short shelf-life and fungible nature of the position. But if the Texans have any concerns about paying Arian Foster, it’s not because they think it will change him. “Money reveals you,” the 25-year-old back told Paul Kuharsky of ESPN.com. “I think it’ll bring…