Apparently the Reds did this once as well. I didn't remember it.
NOTEWORTHY - Thursday afternoon's game was delayed by a torrential downpour at the start of the fourth inning, but the grounds crew had difficulty getting the waterlogged tarp onto the field. With dangerous lightning dancing overhead and the crew desperate to get the tarp in place and get to safety, Casey, pitcher Pete Harnisch, manager Bob Boone and bench coach Tim Foli all came to help finish the task. ...
Publication date: 05-18-01
Thanks to Kitty for the info!