Training - This refers to the value allotted to preventing injuries. Training specifically refers to the preparations made by players and staff to keep the team healthy. While some players will always be more injury-prone than others, spending money on training can significantly limit or minimize player injuries. In addition to preventing injuries your previous seasons budget will impact certain ratings during the offseason. The ratings that are impacted include power, stamina, durability, and velocity.
Medical - This refers to the value allotted to be spent on players recovering from injuries. The medical staff works with injured players in attempt to ensure quick, efficient and full recovery. While some players will always be more injury-prone than others, spending money on a medical staff can reduce a player's stint on the disabled list and aid his performance following recovery.