Racing PositionsO's top prospect Henderson hits HR in MLB debut3MMarlins cut ties with vet power-hitting 1B Aguilar3MMarlins 1B Aguilar, OF Sanchez go on injured list5MMarlins, Aguilar agree on one-year, $7.5M deal8MAguilar, Cooper reach 1-year deals with Marlins2YAstros' Diaz, Marlins' Aguilar win arbitration cases3YMarlins' Villar avoids arbitration with $8.2M deal3YMarlins trade for Orioles 2B Villar, claim Aguilar3YRays acquire O'Grady from Reds, cut 1B Aguilar3YRays, seeking right-handed bat, trade for Aguilar3Y
