Let me introduce myself. I'm a manager from a club which won asia virtual pro champion league before (biggest competition in Asia), and I've trained over one hundred fifa players throughout the years so I understand the needs of pro club players. Also I'm a businessman myself so I understand the concerns of EA too.
For fifa 18 I thank EA for making a huge jump for implementing different levels of traits and player styles which are great imo.
Below I would like to suggest some means that can further improve the gaming experience of pro club as I'm sure this mode is the only reason buying fifa instead of pes for many people.
1.) Implement microtransactions
Like buying bronze/silver/gold packs with coins or fifa points for hairstyles, beards, celebrations, kits or players' models like Ronaldo in pro club. So the development team could get more resources to improve pro clubs features (which in my opinion will be the Esports in future without any AI interference).
The packs sends straight to the club and only manager will be able to open the packs. At the same time the teammates can donate some packs to the club also.
All in all, micro transactions is the way to go in future if not fifa 19. Don't underestimate the profits from pro club because there are many players play UT sometimes while their teams not available to play, which also generates income for the developer.
2.) Remove second wind trait
With current trait second wind which increases your stamina tremendously at 75th minute which is too unrealistic imo.
Currently there is no tactics about how to use our stamina wisely because all players just run through 90 minutes atm. I would suggest removing this trait totally since it's not realistic, but add some more stamina trait levels to balance them out.
3.) Add more play styles
3 is good but more is even better. Many players play more than 3 styles.
If possible, the customization on lookings and styles should be saved separately. When I play cdm, sometimes I want to look like Matic and sometimes Kante, but do not need to bother editing the appearance again with saved appearance feature.
4.) More diversities with more trait attributes
For example, add stats in trait trees like composure, vision, balance, reactions, jumping and aggression.
All of these attributes are built-in game already so it's very easy to implement imo. Fifa 18 is a huge step forward and we appreciate it but it can improve easily with just more choices of traits.
Also increase levels of traits. Don't need to worry about players being too op because you can lower the base ratings of players and cap it at let's say 85 if you feel they are too op, but have 150 points to spend instead. It's up to the developer.
5.) Make division titles meaningful
Maybe d1 title gives you 10000 pro club coins or 2000 coins per player (just refer to UT) to buy gold packs etc., or getting d1 title gives the club a gold pack directly.
It would also be cool if you could open packs at the end of a match so any player who has played the match can see what the Club gets.
Even no coins system implemented on time, maybe getting 20 D1 titles unlock more stadiums etc.
Currently there is almost ZERO incentive getting more d1 titles. Just give us something to play for.
6.) Packs for players' face/skin (credit to Ertrko)
The customization hub is very limited and when you try to change your player face to Ronaldo, you end up looking like Jackie Chan.
This is why EA should put bronze, silver and gold player packs like FUT but will just include the player models that is used in game now without their stats. When you open a pack and found Pogba model. Once you applied it, your player will turn to the exact look of Pogba but attributes will not change. Just the look.
These cards will accumulate in our pro club library, and available to choose from saved lookings in editing our pro section.
7.) More detailed character creation while making our pro players
As mentioned the current hub is so outdated. Take 2k as an example about editing the faces. Also add Tattoos (both arms too not only face) and scars for players customizations.
8.) Make the walls for defending freekick movable until last man left
Currently when you are one of the players in the wall and you are not the captain, you cannot move away from the wall which is ridiculous.
Please let non captain players also able to move away from them and it'll be more realistic.
9.) In-game substitutions managed by the captain
Make a small section in lobby with 3 players in bench in order to be subbed in later, possibly with the substitutes assisting the match as spectators.
Substitutions works at any time while let the game keeps going and won't stop the game like UT, otherwise it'll be too annoying since it affects 22 players not only 2 players.
The captain has to find suitable timing themselves to make the substitutions. The substitutions come when next freekick etc. happen.
10.) Make drop in at least 7v7 or 6v6
Which is much more fun than 5v5. 5v5 is just too extreme and not fun since it's like AI vs AI even no one quit during the match. Almost every drop in games have players quit in short time just because conceding one goal.
I would recommend 7v7 personally since every one of 7 players most likely wants to play gk/defender.
To be perfect, I strongly recommend to remove the limitation on number of players. If people find it not fun with their current team, they will quit and find a new game, let them have the freedom to make their own decision.
11.) Let players reconnect
When players dc during match, let them to be able to reconnect while AI controlling the player. All esports games have that feature.
12.) Customizable AI
Maybe height/weight, names or even faces. Or even let clubs buy gold packs for skins like Sergio Ramos (just the look can be applied not the stats) to play for your club which would be huge fun.
I think many players would spend pro club coins or fifa points for a chance to acquire the skins for sure. Many Esports games let players buy skins to generate profit for the company which is a win win situation.
13.) More kit and badge customisation
The choices available now are pathetic.
Also please seperate kit and badge so we can use Barcelona kit with Manchester City badge combinations etc. Just implement it like FUT mode and it will make the teams much more customizable and not so boring.
14.) Gk radar should always facing upwards when using pro camera
Not half time upwards and half time downwards because pro camera is always facing upwards.
The radar should be more visible imo it's too unclear atm. It can be solved by giving players the choice from settings whether the radar will fade away or not.
15.) Remove gk filter when finding league matches
Player should not be penalized by playing some position they like.
It is harder to find matches with gk because many clubs filter out gks and gks are rejected by clubs for this stupid reason. Why not filter st? Why not filter cb? GK players should not be singled out and being discriminated. It is unfair and should not be encouraged.
16.) Customised Run Style
Even if it only lets us choose from 5 running styles it will add to our own 'individual' players making them unique so say some run like Ronaldo, Sterling, Messi, some take long strides, some take short quick steps.
17.) Stadium Customisation
While we are in club settings, please give us the option to choose the time of the stadiums so that we can choose the ones we like without shadows.
18.) Improved animations for gk
Some diving animations are too weird. Please give gk some means to get up faster after saving, there are too many re-bounce goals because gk spends like 2 seconds to get up after saving which is very imbalanced compared to how powerful being attackers right now.
19.) Change drop in lobby into picking positions
Right now once you get into lobby, you choose one side then you wait out 2 minutes which is a waste of time. Why don't make it a lobby with formations already presented so that you can choose the positions directly while waiting for other players?
The advantages are people can spend the time choosing favourite positions rather than wasting time standing in lobby doing nothing.
Another point is that it can avoid defenders and gks crashing into same team. Once a gk see the team got a gk already, then they could avoid this and quit in advance then just find and join a new game without gk. It will make the game for both teams much more enjoyable with balanced numbers of attackers and defenders.
The list is a bit lengthy and they're just some suggestions from pro club communites in case the developer can use any. I hope the ideas can be passed on to them. Thank you very much.