India, Oct. 18 -- Indianapolis Colts tight end Tyler Warren is a game-time decision for Sunday's Week 6 divisional clash against the Tennessee Titans.

The second-year standout landed on the injury report after suffering a sudden groin strain during Friday's practice session.

According to ESPN insider Jeremy Fowler, Warren faces an intense pregame agility test at Lucas Oil Stadium before receiving medical clearance.

Here is the untold tactical reality behind his injury, the hidden snap-count danger, and what his absence means for Shane Steichen.

Colts consider TE Tyler Warren (questionable, groin) a game-time decision for the Titans game, per sources. Team will monitor how he feels this morning.

- Jeremy Fowler (@JFowlerESPN) October ...