One Knoxville SC's new downtown home, Covenant Health Park, uses a retractable mound for baseball-soccer conversions. The field's appearance, including its color, can vary due to rapid turnovers ...

It took 28 hours for Covenant Health Park to be converted from a baseball diamond to a soccer pitch and back. The conversion should be much faster moving forward, Earthadelic owner Steve Polte says.

The green of a soccer field is not a precise shade. It is too vivid to be olive, too dark to be mint, too full to be emerald, too verdant to be sea. Nor is it constant.

To transform Covenant Health Park into a soccer field, crews put down padding before sealing a retractable pitcher's mound and making careful edge cuts to the warning track. They then lay fabric ...