Five 49ers to watch in huge Thursday night game vs. Seahawks

The season is young, but this is getting old for the 49ers. The 49ers blew double-digit second-half leads against two NFC West opponents. And, now, they face the division-leading Seattle Seahawks in a game that could prove pivotal. "It's a lot of pressure," 49ers defensive end Nick Bosa said. "It's not a must-win because technically your season's over if it's a must-win, but it definitely feels like it. We're treating it that way." The 49ers are 2-3 on the season, including 0-3 in the NFC. They are not setting themselves up well for any tie-breakers. But, first things first, they just have to win games. Here are five 49ers to watch in their key NFC West matchup at Lumen Field in Seattle: Safety Malik Mustapha The 49ers turn to rookie Malik Mustapha, a fourth-round draft pick from Wake Forest, with Talanoa Hufanga out of action for at least four weeks due to torn ligaments in his right wrist. San Francisco placed Hufanga on injured reserve on Wednesday. Mustapha has risen above veteran George Odum on the depth chart after Odum started the first two games of the season when Hufanga was still recovering from the ACL injury that ended his season last November. "I think his strides...