If a sports team are/play at home, they play on their own sports field.

They lost at home to the Jags but still made the playoffs.

Pittsburgh is playing at home against the Jets this weekend.

St. Louis suffered a 40-22 loss at home to New England.

We are at home for the next two games.

The team was at home, so the crowd was on their side.

See also: home noun (COUNTRY)