When linebacker Chris Borland signed a four-year contract on May 27, 2014, he received a fully guaranteed total of $617,436 as his signing bonus from the 49ers.
The free-agent losses of Mike Iupati, Michael Crabtree and the 49ers’ two starting cornerbacks from a year ago were expected.
It's been nearly three months since Chris Borland walked away from a promising NFL career.
The 49ers have endured two tough losses at the inside linebacker position this offseason, losing Patrick Willis and Chris Borland to retirement, but have confidence in up-and-comer Michael Wilhoit
Following a productive rookie season with the 49ers, Chris Borland in March retired from professional football, saying he "just honestly want(ed) to do what's best for my health."