two-year contract CB Patrick Peterson agree to 2-year deal with Pittsburgh Steelers 1 year ago Source says, the free agent cornerback Patrick Peterson has signed a two-year contract with the Pittsburgh Steelers. Peterson, who will… Al Horford signs a $20 million, two-year contract with the Celtics 1 year ago Al Horford's agent says on Thursday morning that the Boston Celtics center has agreed to a two-year, $20 million contract…