WORCESTER (CBS) – It was a big day at the new Polar Park in Worcester as a topping-off ceremony was held.

A topping-off ceremony at Polar Park in Worcester. (WBZ-TV)

Thursday morning officials signed the final structural beam at the new home of the Woo Sox before crews installed it.

It has been about five months since the first steel was put into place.

The final beam is put in place at Polar Park in Worcester. (WBZ-TV)

The minor league baseball park is still on schedule to open in April.