From its Wikipedia page:

The Sun National Bank Center, formerly known as Sovereign Bank Arena, is a $53-million, 10,500-seat arena inTrenton, in the U.S. state of New Jersey; was home to the Trenton Freedom of the PIFL and hosts other special events including family shows, sporting events and concerts. On November 13, 2009, Sun National Bank signed a naming-rights deal for seven years for $2.1 million.