90 seconds with Manor new boy Rossi

BBC F1's pit lane reporter Tom Clarkson catches up with Manor Marussia's new driver Alexander Rossi ahead of his Formula 1 debut at the Singapore Grand Prix.

Rossi had driven a few free practice one sessions for Marussia last season, but was not named as a driver for 2015.

The American has said that he only found out on Tuesday that he would be a replacement for Spain's Roberto Merhi for this weekend's race, and will drive a total of five of the final seven grands prix.

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