Training with Duplicate Players
This is probably the best way to max out a player you really like.
Duplicates get 3x the base experience when training each other, so you’re definitely giving your player a bigger boost – and what’s even better is that since they both have everything in common, you are increasing the odds of receiving a high multiplier, as seen in the previous section.
How do you get Duplicate Players? You can either spin a lot of Agents (and I mean a lot!) or you can continuously scout, train, and convert those players into trainers – this is the approach most people use, although it’s pretty time-consuming.
Keep in mind you can’t scout a player you already have in your squad – so you need to keep converting them into trainers before scouting a new one.
Let’s say you want to train Naldo: you can scout him, train him up to level 10 or 20 to get bigger base EXP, convert him as trainer, and repeat this process all over again. When you feel like you have enough Naldos in your training inventory, you can then scout Naldo one final time and train him with all your trainers.
One thing to note is that featured players are actually different from the regular players, so you can scout the regular versions to max out your featured players.
If you have millions of GP (or coins) and would rather spin agents, you can reset the box as soon as you get the player you want to give it another go.