This is still a relatively new lawn(less than 2 years)and still finishing up some bare patches. I had a company treat my lawn this year as I was head over heels in clover which is almost completely gone, as it took around 5 treatments to get rid of it. I started treatment late and missed out on a crabgrass preventative treatment. Anyway, my lawn suffered from some yellow spots during the summer and you can still see it. Is this something that should have been treated by any kind of company that was doing a good job? It may or may not be clear to see, but once the clover was gone, I had yellowish streaks like this in my yard. I think the guy who came out to see it said that it appeared to some sort of a fungus and there was nothing that could be done about it, but my neighbor's yards didn't have anything like that.