For Radim Simek, the defining characteristic of his NHL career may sadly be his health. Simek could not string together a consistent series of games in yet another season. Simek started this season healthy and ready to play. It looked like he could serve as a depth defenseman that the Sharks desperately needed. However, in mid-November, he missed several games due to a concussion. Simek has struggled with concussions in the past. He returned to the team in late November only to be sidelined again at the start of 2023. Simek returned to the lineup before the 2022-23 season ended.…