How many non drafted players played in the Steelers 1st Super Bowl?

On the Steelers' Super Bowl IX roster, there were 8 undrafted players, 5 players that were drafted by other teams, and 34 players that were drafted by the Steelers.

1) Starting Offense

Jim Clack was not drafted

Ray Mansfield was drafted by the Philadelphia Eagles. The other 9 starters

Gerry Mullins

Gordon Gravelle

Jon Kolb

Larry Brown

Frank Lewis

Ron Shanklin

Rocky Bleier

Franco Harris

Terry Bradshaw

were drafted by the Steelers.

2) Starting Defense

Glen Edwards was not drafted

The other 10 starters

Joe Greene

Ernie Holmes

L. C. Greenwood

Dwight White

Jack Ham

Andy Russell

Jack Lambert

Mel Blount

J. T. Thomas

Mike Wagner

were drafted by the Steelers.

3) Rest of the Team

Dick Conn, Sam Davis, Reggie Garrett, Randy Grossman, Marv Kellum, and Donnie Shell were not drafted.

Roy Gerela was drafted by the Houston Oilers.

Reggie Harrison was drafted by the St. Louis Cardinals.

Preston Pearson was drafted by the Baltimore Colts.

Bobby Walden was drafted by the Houston Oilers.

The others ...

Jimmy Allen

Ed Bradley

Charles Davis

Steve Davis

Rich Druschel

Steve Furness

John McMakin

Dave Reavis

John Stallworth

Lynn Swann

Loren Toews

Mike Webster

Joe Gilliam

Terry Hanratty

James Wolf

were drafted by the Steelers.