#5- Jim Clancy- 25.1 WAR
Jim Clancy was an original Blue Jay, drafted sixth overall in the expansion draft from the Texas Rangers. Clancy was the third player selected by the Blue Jays with only Bob Bailor and Jerry Garvin going before him. Clancy along with Ernie Whitt are arguably the two most successful Blue Jays players from the expansion era.
Clancy would spend over 12-seasons north of the border pitching in 472 games including 381 starts. The hurlers 25.1 WAR total was complemented by consistent production and longevity with the organization. Clancy was a staple in the Blue Jays rotation for many years early on.
In 1980, Clancy went 13-16 with a 3.30 earned run average accumulating a career-high 5.6 WAR in 250.2 innings of work that season. Clancy made one All-Star appearance during his career representing the Blue Jays in 1982 at the Mid-Summer Classic.
Clancy would join the Houston Astros following the 1988 season as a free agent. He would finish his career with 140 wins pitching for the Astros and Braves following his departure from Toronto. Clancy was worth a 21.1 WAR after 15 MLB seasons, his career WAR total actually decreased once he left the great white north.