The Argentine is a big money target for Tottenham.
"Every coach would love to have a player who scores 15 goals per season and who is a regular in the Argentine national team," said Garcia.
"Erik is in the squad, exactly like the other 22 players. I can't do anything about the transfer market, so I am concentrated on tomorrow's game to start with a win.
"I have faith in my club because this will be a strong Roma, which is important for the fans and for all of us. I trust the club will give me options, so if someone leaves he'll be replaced by someone of the same level."
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