Blue Jackets general manager Scott Howson announced the deal on Tuesday night.
The 26-year-old Letestu has one assist and two penalty minutes in 11 games with the Penguins this season. He had 14 goals and 13 assists and a plus-4 rating in 64 games with Pittsburgh last season and ranked fourth among NHL rookies in game-winning goals (three), seventh in power-play goals (four) and tied for 11th place in goals.
The Alberta native was signed by Pittsburgh on March 22, 2007, after he spent one season at Western Michigan.
Not only is it a great idea, but if you don't [start using analytics] you're going to fall behind. You have to be on the cutting edge. It was [Arizona Coyotes assistant general manager] Darcy Regier who said, 'If you didn't invent it, you have to be the second- or third-best copier, because if you're fourth or fifth you've got no chance.'
— Detroit Red Wings coach Mike Babcock on his interest in advanced statistical analysis