Derek Fisher Meets with Miami Heat Honchos

Derek Fisher is currently meeting with Miami Heat team president Pat Riley and owner Micky Arison to discuss the possibility of signing with the Heat ... TMZ has learned.We're told Fish is meeting with Riley and Arison at the Mandarian Oriental Hotel in Miami. The meeting began around 12:30 PM ET.Riley has already made the biggest splash in NBA free agency, signing LeBron James and Chris