Lewis Hamilton doubts Daniel Ricciardo will join him at Mercedes

Lewis Hamilton thinks it is unlikely Monaco Grand Prix winner Daniel Ricciardo will be his Mercedes teammate in 2019.

A detailed look at the struggles Daniel Ricciardo faced during the Monaco Grand Prix and why he's left Red Bull in a tricky position for the next few months.

Ricciardo is the key cog in this year's driver market and has raised his value with two highly-praised wins in China and Monte Carlo. The options open to him are another contract extension with Red Bull or a move to either Mercedes or Ferrari, both of which have drivers out of contract at the end of the season.

Hamilton is one of them, although he and Mercedes still expect an extension to be signed soon. The two Finns,…