"The thing about Keenum is teammates will suffer with him and for him in a fight, rather than point fingers and run. Analysts don’t have a statistic for that characteristic, so maybe it has to be filled under the intangibles heading. Or maybe it’s called being a leader. And maybe there’s no way to measure that quality except wins and losses."
https://www.denverpost.com/2018/09/16/case-keenum-broncos-raiders-mark-kiszla/
https://www.denverpost.com/2018/09/16/case-keenum-broncos-raiders-mark-kiszla/