This spot was full up of that crap, thatched out dead after I applied Scott's weed & feed and pulled rest. Re-seeded but I can tell already it's not gonna come up, you can see some of the bluegrass crap popped back up, gotta pull it.
This is the other side of the front yard, you can see where it's coming in here too. Bigger battle but it's next on the list to attack.
Finally
this mess is what the back looks like. The darker areas outlined are where there is still some semblance of grass but it's losing the battle. The good news is it will die off in another month or so, the centipede grass will take over and I'll be rid of it for another year. Throw some pre-emergent down in late fall, again in spring, lather, rinse, repeat