As if it couldn’t get worse.



The morning after losing their fourth consecutive game, the Broncos learned one of their best players would be lost for the season. Outside linebacker Bradley Chubb suffered a torn ACL in Sunday’s game and will undergo surgery, sapping an already vulnerable defense of arguably its top playmaker and one of its few leaders.



“It’s a huge loss,” coach Vic Fangio said. “He’s one of our better players, obviously. He’s a tempo-setter. Great player, great person, leader — all that. So it is a loss.”



Chubb suffered cramps late in the second quarter and left the game briefly, but returned. It wasn’t until early in the fourth quarter that he appeared to hurt his knee. On a Jaguars second-and-10, Chubb seemed to plant his leg awkwardly when blocked by tight end Geoff Swaim and came up hobbling, favoring his left leg.



He limped toward the sideline, threw his helmet in...