In 1955, Jim Finks threw 26 interceptions, that was the most by a Steelers quarterback in one season.
11 in 1975. He led the NFL in interceptions that season.
Mark Malone was the Steelers starting quarterback in 1987.
Ben Roethlisberger
Quarterback Ben Roethlisberger has thrown the most touchdowns in a season for the Steelers with 32 in 2007.
Troy Polamalu led the Steelers with seven interceptions during the 2010 season.
Career interceptions thrown, is Terry Bradshaw with 210. The single season Steelers record is Jim Finks in 1955 with 26 interceptions thrown.
For those QBs that won the Associated Press MVP award, that would be Terry Bradshaw of the 1978 Pittsburgh Steelers who threw 20 INTs and was selected MVP.
In 1996, Mike Tomczak was the starting quarterback for the Steelers. His backups were Jim Miller and Kordell Stewart. Stewart was used at quarterback, running back and wide receiver during the season.
Ben Roethlisberger
Johnny Unitas
Brett Farve in 2005 with 29 interceptions
Tommy Maddox and Kordell Stewart were the quarterbacks for the Steelers in 2002 with Tommy taking twice as many snaps as Kordell.