Heuerman sustained three broken ribs and a bruised lung in the fourth quarter of Sunday’s win over Pittsburgh when he was hit by safety Sean Davis following a reception.
Hemingway was signed to the Broncos’ practice squad Oct. 10. He appeared in eight games for the Los Angeles Rams in 2016. Hemingway joins LaCosse and Parker as the team's third tight end. LaCosse figures to be the team's pass-catching TE.