Zay Flowers put together a monster first half for the Baltimore Ravens against the Indianapolis Colts, catching five passes for 150 yards and a touchdown as the Ravens built a 31-13 lead over the Colts.

But his day might have come to an early end, due to a hamstring injury suffered near the end of the first half.

His touchdown came on this 54-yard catch-and-run, as he hauls in the crossing route from Lamar Jackson and slices through the Indianapolis defense for the score:

But moments later, Flowers came up limping after making a catch on another crossing route. You can see that moment here:

As noted by Mike Garafolo, Flowers was slow to return to the sideline after the halftime break, and was not on the field to open the second half.

He was listed as questionable to return with a hamstring injury. Flowers had missed practice time in recent weeks due to a hamstring injury, so this could be a re-aggravation of that injury.

Adding to the situation is the fact that the Ravens ruled rookie WR Ja’Kobi Lane out with a wrist injury:

This is a developing story that will be updated.