It looks like you had some Bermuda begin to green up. It got hit by a late frost and a couple days later all you see is the gold tips from frost burn. As far as the weeds go, that's 95% Fescue. I'd either hit it with Celsius or hit it with 1qt/acre Glyphosate while the Bermuda is still hiding its head in the sand.
"The Poor Fish" circa 1930's: The Poor Fish wouldn't have been caught if he'd known enough to keep his fool mouth shut.