Davis' injury leaves Broncos exploring at inside linebacker

Denver Broncos linebacker Malik Reed (59) celebrates his sack against the Arizona Cardinals with cornerback Linden Stephens (37) during the first half of an NFL preseason football game, Thursday, Aug. 29, 2019, in Denver. (AP Photo/David Zalubowski)

Denver Broncos linebacker Malik Reed (59) runs a play against the Arizona Cardinals during the first half of an NFL preseason football game, Thursday, Aug. 29, 2019, in Denver. (AP Photo/Jack Dempsey)

Denver Broncos linebacker Malik Reed sacks Arizona Cardinals quarterback Brett Hundley, left, during the first half of an NFL preseason football game, Thursday, Aug. 29, 2019, in Denver. (AP Photo/David Zalubowski)

Arizona Cardinals quarterback Brett Hundley (7) tries to elude the reach of Denver Broncos linebacker Justin Hollins (52) during the first half of an NFL preseason football game, Thursday, Aug. 29, 2019, in Denver. (AP Photo/Jack Dempsey)