You should look at the 2 cup runnerups and league championships I won adn the role Goncz has played.
I don't know the full stats of most of your players besides him but I will do what you ask.
Patryk Madany was great & I believe Yuusuke Tsunami & Stanislav Krejčí are great.
So lets stick to Göncz seeing as you want me to look at the role he played in your league championships. Last seasons 4 playoff games he was 1/9 for 3s. Not very impressive. He hit 19/55 FGs overall, also not good at all. He had a good game against Stunners facing a much weaker team, at home and playing against a 2/3 zone, if he couldn't do well there sack him. Against real opponents he had 0 steals and 1 block in nearly 100 minutes horrible, 10 REB & 9 AST over 3 games but 2 AST in the last game where he played PG against Kitakyushu was also poor. He defended Lau Than Tam and Chihiro Okita well even though we both know Okita has very high stats in the magic jump range.
So I did what you said and in the league championship Göncz did little besides watch Madany & Krejčí.
Cup game even you didn't believe in him and he got 0 minutes, the previous 1 against Isehara Pistons he went 2/7 missed his only 3 for a total of 4 points in 41 minutes. Yes, now I see your point, despite being surrounded by stars that should make him better he still sucks. Nuff said.