New coach Jim Tomsula does not have an offensive background, so we've been very curious to see who he taps as offensive coordinator. On Wednesday, we found out.NFL Media's Jordan Murray Jersey Albert Breer reports that Geep Chryst is expected to take over the job, according to one Niners source and one apprised of the proce s. Chryst, like Tomsula, is taking a big jump from position coach. Chryst has been the team's quarterbacks coach for the last four years. It has taken Tomsula a while to name his coordinator, which leads to the feeling that Chryst was not the team's first choice. Former head coach Rob Chudzinski wound up staying in Indianapolis after receiving interest from the . Lane Kiffin was also reportedly a candidate. The are hiring Eric Mangini as their defensive coordinator.Chryst had a with Jim Harbaugh, and for the ' red-zone attack, including ' famous game-winner over the in 2012. On one hand, the ' choice of Chryst should be encouraging for fans. The team has changed coaching staffs without losing continuity. Then again, doesn't it feel like needs another voice in his ear? His lack of progre s in 2014 was one of the biggest problems on the team.Jim Tomsula's staff will have a lot of cro sover with Harbaugh's staff, with Tomsula, Chryst, and Mangini replacing Harbaugh, Greg Roman and Vic Fangio. This entire upcoming season feels like a test of the ' theory that their coaching leaders last season weren't truly that nece sary. The latest Podcast and breaks down the storylines nobody is talking about. Find more content on . Darius Leonard Jersey