No.
Wilbur was second in the Cy Young voting in 1973 (winner was Gaylord Perry) and third in 1972 (winner was Vida Blue).
The best pitcher in each league wins the Cy Young Award.
Jess Todd.
Yes ... he won the 2003 AL Cy Young Award with the Blue Jays and the 2010 NL Cy Young Award with the Phillies.
Cy Young
9
36
34
Never
Cy Young won 26 games and lost 21 in 1894 with a 3.94 ERA.
Roger Clemens won seven Cy Young Awards during his career.
Roger Clemens
The Cy Young Award was established in 1956 to recognize the "best pitcher" in the Major Leagues. The first Cy Yound Award winner was Don Newcombe of the Brooklyn Dodgers, who was also the first "black" player to win the award.