Possible Clues:

• Slog through a 5-Across, say
• Walk in a brook
• Walk like an egret
• Ford a creek, say
• Wimbledon winner, English, on roll
• Drag through the mud, maybe
• Get one's ankles wet
• Virginia --, winner of 1977 Ladies' Singles at Wimbledon
• Boggs of the Red Sox
• — Wilson, whose alter ego is the title character in 2018's "Deadpool 2"