2019 Bowman Baseball HTA Hobby Jumbo Box Break – 3 Autos Per Box! Release Day! Packman 11 months ago 2019 Bowman Baseball HTA Hobby Jumbo Box Break – 3 Autos Per Box! Release Day! Today is the release day for 2019 Bowman Baseball. The three main versions are the HTA Hobby Jumbo, Hobby, and Blaster.