Friday 1/30/2004 : Rod Barajas was promoted from AA El Paso Diablos to AAA Tucson Sidewinders. Mark Little was sent down from AA El Paso Diablos to A Lancaster Jethawks. Luis Terrero was promoted from A Lancaster Jethawks to AA El Paso Diablos. Quinton Mccracken has been released.
Sunday 3/1/2004 : Free agent Vladimir Guerrero has been signed to a contract of $32,500,000 per year, for 6 years.
Monday 6/1/2004 : Free agent Rick White has been signed to a contract of $912,000 per year, for 1 years. Free agent Jose Paniagua has been signed to a contract of $760,000 per year, for 1 years.