The gameplay is great, graphics are above par for a baseball title, and the audio is exactly what it should be. On a negative note, there is slim to none single player existence so SlugFest is a multiplayer game in all its glory.
What is the most disappointing in 20-04 is the lack of real additions. Sure a fun HR derby was added, as well as a custom replay option, but what else? Oh yeah, a create-a-team! If that's what you want to call it.