New Jersey (but soon to be Brooklyn) Nets forward Kris Humphries and about two dozen others put rake to the grass yesterday afternoon to help clean up sodden leaves at Prospect Park.

The group of about two dozen, which included several Nets dancers and the team’s mascot, Sly, raked and bagged for about two hours while joggers and toddlers alike paused for a better look, said Prospect Park spokesman Eugene Patron.

And they took the job seriously.

“They went out and they worked – it wasn’t just a photo opp,” he said.

And it wasn’t just Humphries who was the draw.

“I would say the mascot was just as popular,” said Patron, who described one toddler who nearly lunged out of his stroller to meet the fuzzy silver fox.

The group worked on a stretch of the park near the Parkside Avenue entrance, from about 2 to 4 in the afternoon, Patron said.

The effort was part of NBA Green Week and came immediately before Humphries toured his team’s future home, the Barclays Arena, which will open in September (Click here for photos inside the new arena).

The group also included other Nets staffers as well as representatives from National Grid, a co-sponsor of the event.

The cleanup kicked off  Prospect Park’s “Opening Day Clean-up” which takes place Saturday from 10 a.m. to 2 p.m. Those interested should meet by the band shell at Prospect Park West and Ninth Street, Patron said.

Groups (and individuals) are always welcome to volunteer at the park. Those interested should call the volunteer office at 718-965-8960. Also on Wednesday, April 6, there's a Prospect Park  Volunteer Info Session from 4:00pm–5:00pm at  Litchfield Villa, 95 Prospect Park West.