Monaco could move for Manchester City striker Sergio Aguero if they lose Radamel Falcao this summer, [football] direct news understands.Falcao, who actually replaced Aguero at Atletico Madrid when the Argentine striker joined City in 2011, has only been at Monaco for one season, but is still on the radar of a number of top clubs around Europe as the summer transfer window approaches.Real Madrid, Chelsea, and Manchester City themselves, have all been linked with the Colombian forward in recent times, and it is thought that the big-spending Ligue 1 giants will go all out for a top class replacement upfront if he does move on at the end of the season.Aguero has been one of City’s best players since he moved to the Etihad Stadium, though there have been recent rumours that he is tempted to try a new challenge, with a return to La Liga being mooted in the Spanish media.Still, he could be persuaded to make a big-money move to France this summer and join the revolution currently being undergone at Monaco, who have brought in several world class signings in a bid to close the gap with champions and current Ligue 1 leaders Paris Saint-Germain.The priority is to keep Falcao, a French football insider said. “But of course, the club watches a number of top players, and Aguero would be a perfect fit.”Watch Chelsea v Stoke on Saturday and Arsenal v Everton, West Ham v Liverpool on Sunday. 24-hour Sky Sports day pass for only 9.99. No contract.