"I hope the crisis makes the clubs to rethink their strategy and increase their efforts to give space for young talents," he added.
Several players are still only 16 or 17 years old but have become valuable members of the team since the start of the season. With only one victory in three rounds, the young and ambitious Bratislava is currently in fourth position.
There will be tension in Vitoria as Alaves looks to improve on a poor start that has brought just one point in four games under new coach Pablo Machin. They entertain Athletic Bilbao, who produced a dreadful display to lose 1-0 to a newly-promoted Cadiz side that played with nine men for almost 30 minutes on Thursday.
Sunday's win and the midweek victory against Valladolid were largely thanks to goalkeeper Thibaut Courtois, who produced man of the match performances in both games to keep Madrid's rivals at bay.
As expected, head coach Gustavo Alfaro included Fenerbahce forward Enner Valencia and teenage Sporting Lisbon winger Gonzalo Plata in his 30-man squad.
Saturday ended with Newcastle United winning 3-1 at home to Burnley thanks to an excellent display from winger Allan Saint-Maximin. The Frenchman scored his side's first goal and then set up Callum Wilson for Newcastle's second of the game just four minutes after Ashley Westwood's 61st minute equalizer for the visitors.
On the subject of individual statistics, Neymar is on the cusp of overtaking Ronaldo as Brazil's second-highest scorer, and he has the legendary Pele in his sights.
Houssem Aouar converted a penalty in the 28th minute to equalize for the hosts after Melvin Bard was taken down by Alvaro Gonzalez.
Kitata's compatriot Sisay Lemma was three seconds further back to finish third.
Halep didn't play at her best, especially when facing a firing teenager who combined her drop shot and backhand so perfectly throughout the match.
The first 45 minutes were entertaining, but after the break Barca began to look fatigued. Ronald Koeman made several changes, bringing Francisco Trincao, Pedri and Miralem Pjanic into the action, while Sergino Dest made his debut for the injured Jordi Alba. Despite Trincao having a late shot saved, Barca didn't do enough to win, while Sevilla looked happy with a point.