Zanetti is expected to be back in action next month after recovering from Achilles surgery.
"The Scudetto? I don't know," he told News Malta. "I think it's too early to tell.
"We have to have great continuity to win this League.
"We just want to get with a month to go and still be able to challenge.
"Winning a championship is very difficult because there are so many teams that can win it."
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