Late actor Paul Newman's car racing pals have joined the list of celebrities paying tribute to the movie icon, who died on Friday.Race ace Mario Andretti has called his former boss at Newman Haas Racing, "probably the best owner you could ever have".Andretti, who was the first big name to drive for the Champ Car team in America, admits he had nothing but the utmost respect for the actor, who holds the record for being the oldest driver to win a professionally sanctioned race.He says, "He has the absolute, unconditional support behind his drivers. You always feel very comfortable and confident that he's definitely on your side, and that's huge."Newman, who lost his battle with cancer at the age of 83, founded Newman Haas Racing with former track rival Carl Haas in the early 1980s.In a statement, Haas called his partner "a great human being," adding "His support of the team's drivers, crew and the racing industry is legendary. His pure joy at winning a pole position or winning a race exemplified the spirit he brought to his life and to all those that knew him. We will truly miss him."

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