Here’s a graph of the playing time for the defensive backs. As you can see McCourty has been 100% across the board. Meriweather is spiking back up towards 90% playtime as of late. Sorry it’s a little hard to clearly read, I’ll be experimenting to see if there’s a better graph that makes it easier.
https://www.patspropaganda.com/heres-a-graph-of-the-playing-time-for-the/