The Chiefs will be without a couple of key players and one elite starter in Super Bowl 58, while the 49ers won't have any injury i sues of note.Offensive lineman Joe Thuney (pec) is by far the biggest player who will mi s the big game, but the Chiefs are getting one key player back to help their quest for a second consecutive ring.Here's a quick look at who's in and out for both teams.:SUPER BOWL 58 HQ: | | Chiefs inactives for Gregor Blanco Jersey Super Bowl 58The day before the game, All-Pro left guard Joe Thuney was ruled out with a pectoral injury. Nick Allegretti will take Thuney's place. The Chiefs also will be without key rotational pa s rusher Charles Omeninhu (knee), who had seven sacks in the regular season.The good news is that running back Jerick McKinnon will boost Patrick Mahomes' offensive skill players. He's been activated from his groin injury and will be available for the first time in the postseason.Defensive tackle Chris Jones (quad), running back Isiah Pacheco (toe, ankle), linebacker Willie Gay (neck), and wide receiver Rashee Rice (ankle) are among the valuable Chiefs starters with no designation.Here's the official inactives list before kickoff, including one shaky wideout option and a no-longer-needed backup back:WR Kadarius ToneyWR Justyn Ro sRB LaMical PerineDE BJ ThompsonCB Ekow Boye-DoeLB Darius Harris49ers inactives for Super Bowl 58The 49ers had a brief concern with two starters, defensive tackle Arik Armstead (knee, foot) and tight George Kittle (toe), leading up to the Super Bowl. In the end, both are good to go with no designation for the game.San Francisco's inactives are no surprise, as the 49ers have no wide receiver worries without the rookie Bell:QB Brandon AllenWR Ronnie BellCB Samuel Womack IIILB Jalen GrahamOL Matt PryorDL Alex BarrettDL T.Y. McGill Robinson Cano Jersey