IDing weedy grasses can be tough. My initial guess is bahia grass, but that's just a guess.

My guess would be Japanese Stiltgrass. I'm not claiming any great knowledge, just suggesting you see if it matches your grass.

Could be good old Bermuda grass. Is it perennial? Does it turn brown in winter? Does it spread by rhizomes/runners?

It's also helpful to know where you live.

I'm still not sure what it is, but I think Dave's guess is better than mine!

A lot of grasses look similar. If you can allow a small patch to flower that would be very helpful. The flowers will make it obvious which genus we're dealing with.

Thanks for the assistance. I googled the images of the suggested identifications above and found the one that's closest to mine is the Bermuda grass as suggested by Dave in No Va. Thanks to you all for helping me out. And to answer the questions.....yes it is perennial. It does turn brown in the winter. And it spreads by rhizomes/runners.

It also spreads by seed and is quite difficult to get rid of.