True.
Teams often need 8, 9 or 10 different starters.
This year, we used 11, but only 9 had 4 or more starts.
In 2017, we used 10 starters, 8 with 4 or more.
In 2016, 10 and 9.
2015, 12 and 9.
Seems like 8 or 9 is the true number for starters you might need to give you 4 or more starts.