During the January 2007 transfer window, Rinaldi was signed on a six-month loan deal by Watford from Brazilian club Veranópolis. He made his first appearance for Watford in a 3–1 defeat at Tottenham Hotspur on 17 March 2007, coming on as a substitute.
During the January 2007 transfer window, Rinaldi was brought to Watford from Brazilian club Veranópolis on a temporary six-month agreement. He made his debut for Watford in a 3–1 loss at Tottenham Hotspur on March 17, 2007, entering the game as a substitute.