The San Francisco 49ers made several major changes to their roster this offseason. While many of the additions have received attention, one move that still feels underdiscussed is the trade for Osa Odighizuwa . When looking at how the roster is built and where the team struggled last season, this move may end up being one of the most important additions the 49ers made. San Francisco 49ers trade for Osa Odighizuwa remains underdiscussed The biggest reason this move matters is how much the 49ers struggled to generate pressure from the interior defensive line last season. Alfred Collins, C. J. West, Jordan Elliott, and Kalia Davis combined for 51 pressures during the year. Odighizuwa alone recorded 52 pressures. That type of production changes the entire outlook of the defensive front. His addition also helps define roles more clearly across the defensive line. Collins and West can focus more on stopping the run, while Odighizuwa and Gracen Halton can attack more aggressively as interior pass rushers.…