Kiszla: Why Case Keenum made it as NFL quarterback. And why Paxton Lynch probably never will.

Denver Broncos quarterback Case Keenum #4 warming up before a practice with the Chicago Bears on Aug. 15, 2018 at Dove Valley. These two dudes have absolutely no business in the NFL, but here they were on a sunny Wednesday morning, playing quarterback, alongside Broncos and Bears. One is named Case. The other is Chase.

But wait. It gets more confusing.

Each of these average dudes wears No. 4 on his jersey. Neither is tall enough to carry a pro football franchise on his shoulders (or at least that’s what the scouts all said). And, swear to goodness, if Case Keenum and Chase Daniel secretly switched teams before Denver and Chicago held a joint practice at Dove Valley headquarters, no fan on the…