Gabriel will follow winger Willian to join Arsenal with the 32-year-old compatriot of the defender, who has signed a free game from Chelsea, and is expected to play a key role for Mikel Arteta next season.
But Wilson fears the Londoners’ summer recruiting could lead to later problems with Gabriel Martinelli, Bukayo Saka, Ainsley Maitland-Niles, Reiss Nelson and Joe Willock.
Martinelli and Saka only signed new long-term contracts recently to engage with the Emirates for the foreseeable future.
But Wilson can predict that Arsenal’s new signings will slow their development or lead to contract problems, which could see soaring stars asking for bigger offers to compete with those of the newcomers.
The ball thrower, who spent 11 years as a player at Arsenal and made over 350 first-team appearances, told the Daily Star: “We’ve had two big comebacks recently.
“Firstly, we finally have the right manager for the first time since [Arsene] Wenger. Mikel apprenticed under Pep Guardiola and as we saw in the cup semi-finals and final he is excellent tactically.
“Then we have the boost to win the FA Cup. There is still a certain degree of me who can’t believe we’ve beaten Manchester City and Chelsea – and Liverpool in the league – in two weeks.
“But, at the same time, I’m worried that after signing Willian, who is a top player, and we’re trying to buy Brazilian defender Gabriel, which is happening to our young players.
“We have some incredible talent emerging now – Gabriel Martinelli, Bukayo Saka, Ainsley Maitland-Niles, Reiss Nelson, Joe Willock and more.
“What worries me is that they – or rather their agents – will see the income and start demanding bigger contracts and more money or say they are leaving.
” Watch [Serge] Gnabry. What a brilliant player he has become since we left. It’s about finding the right balance, because we don’t want to lose this next generation.
Arsenal face a rocky start to the Premier League campaign, facing Liverpool in the Community Shield before also facing the Reds in their Premier League opener on September 26 at Anfield, where they have been winless since September 2012.
After facing Liverpool in the league, Arteta’s men are tasked with clashes against Sheffield United, Manchester City, Leicester and Manchester United.
An equally delicate period in late November and early December pits them against Leeds, Wolves and Tottenham – meaning they will have faced eight of last season’s top 10 teams, excluding Chelsea, in their first 12 matches.
Wilson, 78, however, is confident his former club can start the season strong as Arsenal aim for a first top four since 2015-16.
The two-time 1971 winner added, “We have that momentum and it’s only a short break – so that should help.
“If we can get 13 or 14 points out of those six games, that would be amazing and underline that we are going in the right direction. We will learn a lot from this period.
“What I like about Mikel is the players listening to him. He looks them in the eye and asks for their attention. He has authority and they trust and respect him.
“He has a huge job to do at a big club, but he’s capable of doing it. He has the knowledge of football and the human side. ”
Arsenal’s 2020-21 campaign kicks off against Liverpool at Wembley in the Community Shield on Saturday before their Premier League curtain-raiser sees them face off against league play-off winner Fulham on 12 September.