Could Mike Sullivan emerge as a top coaching candidate for Bruins?

Mike Sullivan coached Team USA at the 4 Nations Face-Off. (Christinne Muschi/The Canadian Press via AP)With the Bruins’ already in the midst of another head-coaching search this offseason, an intriguing candidate with evident ties to Boston just hit the open market.

The Pittsburgh Penguins and Mike Sullivan announced in a statement on Monday that both parties are officially parting ways after 10 years together.

“Mike is known for his preparation, focus and fierce competitiveness. I was fortunate to have a front-row seat to his dedication to this franchise for the past two seasons,” Pittsburgh GM Kyle Dubas said in the statement. “He will forever be an enormous part of Penguins history, not…