I am cutting this grass and its has a slope on it. The yard is really wet. Once I get toward the bottom my 22in mower slides. My mower is not heavy at all. Its a toro self pace. I don't want to keep hurting his yard. he do have a sprinkler system but I'm not sure why the yard is holding water. Any advice will help what I should do and how, anything is a help. Thanks guys and gals.