4. Petr Mrazek, G
Chances are that if Petr Mrazek wasn't with the Blackhawks, their record would be a lot worse this season.
The veteran Czech netminder has kept Chicago in games more often than not this season. After back-to-back down years, Mrazek has backstopped his way to a 9-11-0 record with a .911 save percentage, 2.98 goals-against average, and one shutout victory in 22 appearances (20 starts).
If Mrazek can play this well on a rebuilding club like the Blackhawks, it'd be interesting to see what he could do on a real contender. The Edmonton Oilers are one team that's been linked to a potential Mrazek deal this season, but others could join the party if injuries pop up as the trade deadline approaches.
For now, it doesn't seem like the Blackhawks are ready to move on from Mrazek, but anything could change with the right offer. Besides, he's also slated to hit free agency in the offseason, meaning there's no guarantee that he'll be back for the 2024-25 campaign even if he survives March's deadline.