For the past two years, Bank of America has been the poster child of legacy servicing sales, but it may soon have some company. According to industry advisors who specialize in the mortgage servicing rights market, JPMorgan Chase and a few other large banks with seasoned portfolios are developing “deal teams” to explore their options. Chase’s name has surfaced from time to time as a select seller of legacy product. But it also has been a selective buyer of servicing, including the purchase last fall of $70 billion in rights from MetLife, which was closing out its interest in the mortgage business. A spokeswoman for Chase declined...