There's a really good thread on twitter breaking down the number of starts every team has given to a black QB in their history. As of September 2020, the Bears ranked 23rd in most starts with 41, but Mahomes and the Chiefs as well as Kyler and the Cardinals have since passed them, so 25th. The worst is the Giants, who have given just 1 start to a black QB in their entire franchise history - Geno Smith