Colts tight end Tyler Warren left practice on Wednesday with an injury . Via Stephen Holder of ESPN, Warren injured his groin .

Holder adds that coach Shane Steichen had no details about the injury, but that Steichen expects the team to be cautious.

Warren is a key piece of the passing game. As a rookie, he caught 76 passes for 817 yards and four touchdowns. He also scored a touchdown on one of six rushing attempts.

It remains to be seen whether Warren’s injury will impact his availability for the regular-season opener at the Ravens.

The injury comes at a time when the Colts are still missing their top receiver. Alec Pierce remains on the PUP…

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