"We have to look at what we are missing in the squad: we know that the club has economic problems, like every club, but there are one or two positions in the team where we have to improve. We are working to have another option at '9' and the club is working the maximum to sign one," added the coach.
Real Madrid could have had a second when Luka Modric hit the post.
"We are convinced that Manuel Baum, as a person and coach, is a very good fit for Schalke. At this point, we would like to thank the German FA in particular," Schalke sporting director Jochen Schneider said.
Alcacer then showed neat footwork halfway through the second half to ensure the points for Villarreal and leave Alaves in trouble.
Real Madrid confirmed with a communique on their official website on Wednesday that the Belgian international has suffered "a muscle injury in his right leg."
Moises Lima Magalhaes of Luneng could have netted the winner in the 83rd minute, but his powerful long shot was denied by the left bar after hitting Zhang Jinliang of R&F.
Celta meanwhile will put their faith in Aspas, who has already scored three goals this season and will be a handful for the Barca back line.
The Spaniard has won 94 matches at Roland Garros and if he can make it all the way to the final this year, there is a chance for him to equal old rival Roger Federer's record of 20 major titles in his remarkable 100th win at the clay Grand Slam.
Ajax will receive a transfer fee of 21.23 million euros (about 25 million U.S. dollars), which can rise to a maximum of 26.23 million euros including bonuses.
The swimmers' performances at the championships will act as an important reference for their qualification for next year's Tokyo Olympic Games. Enditem
In the other game in the Chengdu division, after a goalless first half, Taizhou Yuanda broke the deadlock in the 54th minute to claim a 1-0 victory against Beijing Renhe, and Beijing BSU defeated Suzhou Dongwu 3-2.