I would train both of them. The first needs lots of 1v1 training, as well as some PA, while the second guy is more well rounded and 1v1 training would help to raise his pitiful (2) HA.
Since you are the only human in your league, you could train guard skills like OD and PA without too many consequences. The best time to train secondaries on players is in D5. If you want, you can BB Mail me and I can give you more detailed instructions. Good luck, and don't forget to build your arena!