"I know it's a difficult moment, but I'm certain that Vasco will be able to stay in the first division," the 45-year-old coach told a news conference. "The team needs to stay confident that it can overcome this moment. It can be done."
Batista was without a club since leaving second-division club Figueirense this year. He previously coached Cruzeiro, Gremio, Corinthians, Sao Paulo and Santos, among other clubs. He saved three teams from relegation in the past Gremio in 2003, Paysandu in 2004 and Figueirense in 2005.
"I've been in this situation before and I know how hard it is to get out of it," Batista said. "But I know it can be done, it happened in the past."
Vasco's next match is Saturday at home against Coritiba, which is also fighting to escape relegation.
Vasco's latest loss came on Sunday against Ponte Preta in Campinas, where the team conceded a last-minute goal after relinquishing a 1-0 lead. It has won only one of its last six league matches and last week was eliminated by Goias in the Brazilian Cup quarterfinals.
Marred by political instability internally, Vasco has been struggling financially for years. Coach Paulo Autuori left the club shortly after the Brazilian league began this year because he allegedly had not been receiving his salary on time. Club President Roberto Dinamite, a former star midfielder, said Tuesday that salaries for coaches and players have been paid on time recently.
Security was reinforced at the team's headquarters on Tuesday and fans were kept from attending practice to avoid protests.
One of Vasco's greatest players was Romario, who scored his 1,000th career goal with the club at age 41 in 2007. The team's last national title was the Brazilian Cup in 2011. The last Brazilian league trophy was won in 2000.
Another top Rio de Janeiro club hoping to avoid relegation is Fluminense, the defending league champion. The team coached by former Brazil and Real Madrid manager Vanderlei Luxemburgo is 16th, just three points outside of the relegation zone.
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