Big Red 1972
Long Lasting Freshness
or the situation of having three major accomplishments or achievements. I would say acquiring those three guys are a great accomplishment for this organization.
"Three major achievements" or in other words "three great events?"
Trifecta has a couple of meanings. The two most common are a bet on a horserace and a run of three wins or great events.
But you are right. Acquiring Parcells, Ireland, and Sparano was great for this organization. However I still think of placing a bet on a horserace whenever I read the word "trifecta."