Blandisi, 25, played seven games for Pittsburgh after being called up on October 11, tallying two points (1G-1A) including the game-winning goal against Minnesota on October 12.
Johnson, 25, also appeared in seven games with the NHL club and recorded two points (1G-1A), all in his home state of Minnesota on October 12. Johnson has missed the past two games due to injury.
The Penguins begin a two-game homestand tomorrow night, October 29, when the Philadelphia Flyers come to PPG Paints Arena for the team's annual 'Halloween Theme Night.' Puck drop is set for 7:00 PM. On Saturday, November 2, Pittsburgh hosts the Edmonton Oilers with puck drop at 1:00 PM.