The Pittsburgh Penguins continue to miss Brian Dumoulin, Tristan Jarry and Rickard Rakell against the New York Rangers. PITTSBURGH -- In the midst of the Pittsburgh Penguins first-round run against the New York Rangers has some two milestones, but the second defines why Mike Sullivan has been here for so long. The Penguins head coach snagged his 44th playoff win in Game 4, surpassing Dan Bylsma with the most playoff wins in Pens history. Sullivan joined the Penguins in June of 2015 as the head coach of the Scranton/Wilkes-Barre Penguins. By the end of the year, he was named Pittsburgh's head coach. And since then, the team has won two Stanley Cups and continued their 16-year playoff streak. With a 3-1 lead over the Rangers, the Penguins are hoping to add a significant margin to Sullivan's playoff lead. Make sure you bookmark Inside the Penguins [http://insidethepenguins.com/]for the latest news, exclusive interviews, breakdowns and so much more! Penguins Are Getting the Most Out of John Marino [https://www.si.com/nhl/penguins/pens-talk/pittsburgh-penguins-most-john-marino] Penguins Take 3-1 Series Lead Over Rangers [https://www.si.com/nhl/penguins/news/pittsburgh-penguins-3-1-series-lead-new-york-rangers] Penguins Must Continue to Use Playoff Experience [https://www.si.com/nhl/penguins/pens-talk/pittsburgh-penguins-postseason-experience-advantage] Penguins Need Brian Dumoulin Back to Make a Run [https://www.si.com/nhl/penguins/pens-talk/pittsburgh-penguins-brian-dumoulin-back-run] Rakell Returns to Ice for Penguins [https://www.si.com/nhl/penguins/news/rickard-rakell-returns-ice-pittsburgh-penguins] * undefined * undefined