Northwestern's grounds crew is putting "green sand" on the field. Workers say it's to cover up the dead spots pic.twitter.com/xPnOlPVmHF— Kevin Sjuts (@kevinsjuts) September 23, 2016
Northwestern's grounds crew is putting "green sand" on the field. Workers say it's to cover up the dead spots pic.twitter.com/xPnOlPVmHF