Pittsburgh Pirates fan Kavan Markwood shows encouraging recovery signs after a 21-foot fall at PNC Park during a game.

The 20-year-old man who fell over the 21-foot Clemente Wall at PNC Park during a Pittsburgh Pirates game continues to make ...

The 20-year-old man who fell over the 21-foot Clemente Wall at PNC Park during a Pittsburgh Pirates game continues to make ...

The Chicago Cubs saw an extremely scary situation last week when a fan fell onto the field from the 21-foot high right field wall at PNC Park.

Kavan Markwood, 20, slipped off a railing and onto the field during the seventh inning of a Pirates-Cubs game.

Kavan Markwood, 20, slipped off a railing and onto the field during the seventh inning of a Pirates-Cubs game.

The fan who fell onto the field at PNC Park less than a week ago took his first steps on Monday since the incident, ...

The 20-year-old man who fell from the top of a 21-foot-high wall onto the warning track at PNC Park in Pittsburgh during a ...

The 20-year-old man who fell from the top of a 21-foot-high wall onto the warning track at PNC Park took his first steps, but ...

A night after cooling off the visiting San Francisco Giants, the Chicago Cubs will aim to clinch their third consecutive series on Tuesday night.