Mrazek stopped 20 of 22 shots in Thursday's 4-2 win over the Sharks.
After allowed four goals to Utah in the season opener, Mrazek has allowed exactly two goals in three consecutive appearances. The 32-year-old has won two of those matchups and is doing his part to keep the Blackhawks competitive from game to game. He's allowed 10 goals on 112 shots across four starts with a 2-2-0 record. The Blackhawks are set to host the Sabres on Saturday.