The former Arsenal star, who now works as a pundit for Sky Sports, made the comments while giving his take on the current economic problems facing football due to the global health crisis.
Merson believes that managers such as Mourinho will have to start bringing players through, as clubs may not be able to spend huge sums of money on transfers.
Merson told Sky Sports: “I think this situation really helps youth players, because you’re going to have to give them a chance.
“There are some brilliant kids out there who don’t get chances because clubs can go out and buy a £50m player in the blink of an eye.
“Managers like Jose Mourinho will have to start making youth team players better. He’ll have to start concentrating on bringing players through, and showing how good a coach he is. Tottenham have some brilliant kids, don’t worry about that.”
With the Premier League set to restart next month, Tottenham will be determined to finish in the top four and clinch a Champions League place for next season.
Spurs are eighth in the league table at the moment with 41 points from 29 matches, as many as seven points behind fourth-placed and London rivals Chelsea.
With Chelsea, Manchester United, Wolverhampton Wanderers, Sheffield United and Arsenal also in the running for the Champions League places, it is going to be hard for Spurs, but they do have what it takes to get the job done.