We’re officially through four weeks of the NFL season, and the injuries continue to pile up. Colts quarterback Anthony Richardson left his team's game against the Steelers with an oblique strain. His teammate Jonathan Taylor exited earlier with an ankle injury. Packers receiver Christian Watson also suffered a high ankle sprain against the Vikings.

The injury reports for all 32 teams are getting lengthier. Injuries are decimating rosters — some more than others — calling on the depth chart to step up in big situations. A few of the league’s biggest stars,

Taylor’s ankle was twisted by Pittsburgh safety DeShon Elliott at the end of Sunday’s 21-carry, 88-yard performance, and the Colts running back wasn’t able to get back into the game. The Colts held Taylor out of practice on Wednesday, and it sounded like he was headed in that direction again Thursday.