By Matt Hladik New Ohio State defensive coordinator Jim Knowles is very aware of the expectations he’ll be dealing with in Columbus. Speaking with reporters on Monday, Knowles said he knows “there’s a lot of pressure” on him to come in and fix an OSU defense that struggled in 2021 and has too often been the program’s weak link in recent years. The good news for the Buckeyes? After his early sessions studying the team’s defensive personnel and performance in 2021, Knowles thinks a turnaround could come quicker than anticipated. “From what I’ve seen, I don’t think we’re far off,” Knowles said, v…