The 49ers agreed to terms with 14 undrafted free agents. They gave linebacker North Carolina linebacker Jeremiah Gemmel $90,000 guaranteed that includes a $20,000 bonus, Aaron Wilson of profootballnetwork.com reports. Texas A&M safety Leon O’Neal received $60,000 guaranteed that included a $10,000 bonus. Gemmel made 236 tackles, 20 tackles for loss, 6.5 sacks and three [more]