Now that the San Francisco 49ers second preseason game has been completed, what does the roster bubble look like? Who are the locks and bubble players?San Francisco 49ers Roster Bubble Projection 2.0Quarterback Locks (2): Brock Purdy, Mac JonesBubble (1): Kurtis RourkeOut (1): Adrian MartinezIf Rourke is healthy he likely will have to make the team. Running backLocks (4): Christian McCaffrey, Jordan James, Kaleon Black, Kyle JuszczykInjury List (1): Isaac Guerendo Out (3): Sincere McCormick, Zamir White, Khalil HerbertMcCormick is the next man up if James is not ready for Week 1. Black locked down the backup spot. Wide Receiver Locks (6): Mike Evans, Deebo Samuel, De’Zhaun Stribling, Demarcus Robinson, Jordan Watkins, Jacob Cowing Injury List (1): Christian KirkOut (5): Will Pauling, Khadarel Hodge, Trenton Irwin, Malik Turner, Wesley GrimesKirk is below all six receivers even if he were healthy. Tight End Locks (3): George Kittle, Luke Farrell, Jake TongesBubble (1): Brayden WillisOut (2): Hayden Rucci, Josiah DeguaraThe only question now is whether Willis makes it or Kittle is active. Offensive Line: Locks (7): Trent Williams, Robert Jones, Jake Brendel, Dominick Puni, Colton McKivitz, Carver Willis, Vederien LoweBubble (5): Austen Pleasants, Enrique Cruz, Drake Nugent, Brett Toth, Connor ColbyOut (4): Nick Zakelj, Brandon Parker, Doug Kramer, Isaac AlarconLowe needs to come back from the injury list, but if he is healthy, he is a lock. Colby moves from a lock to the bubble after his preseason. Defensive LineLocks (4): Alfred Collins, Osa Odighizuwa, Gracen Halton, CJ West Bubble (3): James Thompson, Bryson Eason, Sebastian ValdezOut (1): Evan Anderson Valdez and Thompson are going to force the team to add an extra defensive lineman. Edge RusherLocks (4): Nick Bosa, Romello Height, Keion White, Sam OkuayinonnuInjury List (1): Mykel WilliamsBubble (1) Ogbo OkoronkwoOut (3): Quinton Bell, Victor Dimukeje, Xavier ThomasWith Williams out perhaps the team is lighter on the edge, giving them room for an extra interior lineman. IMAGN IMAGES via Reuters ConnectLinebackerLocks (6): Fred Warner, Dre Greenlaw, Nick Martin, Garrett Wallow, Luke Gifford, Jaden Dugger Bubble (1): Tatum BethuneOut (2): Jalen Graham, Larry Worth All six of the locks worked ahead of Bethune, who should get trade calls. Cornerback Locks (5): Deommodore Lenoir, Renardo Green, Upton Stout, Ephesians Prysock, Jack Jones Bubble (3): Nate Hobbs, Jakob Robinson, Darrell LuterOut (1): Eli Apple Hobbs injury has opened the door for Robinson and Luter, who had strong pre-seasons. Safety Locks (3): Ji’Ayir Brown, Malik Mustapha, Marques SigleBubble (2): Siran Neal, Ashtyn Davis Out (2): Jalen Stroman, Patrick McMorris Neal did not play on defense, only special teams. Do they need a fourth safety on defense?Special Teams Locks (3): Corliss Waitman, Eddy Pineiro, Jon Weeks Total Locks: 47Total Bubble: 17 Total Out: 24Injury List: 3The team will likely have 17 players competing for six spots next week. Add us as a preferred source on GoogleFollow