Eto'o hasn't scored in Serie A since December 20 when he got the winner against Lazio at San Siro.
“We are prudent when it comes to making judgements,” Moratti explained. “For sure, the games against English teams are very difficult.
“It's important that Samu wants to rediscover his form in such a way that he will explode and make Inter win.
“Observing the professionalism of the players and Mourinho, I believe we can only do well against Chelsea,” he concluded.