Every so often on Wednesday mornings, the "two little angels" — or perhaps they're devils, Mike Zimmer says — show up in the coach's office, armed with GPS data about how hard players have worked in the past few days and which ones might be due for a break.
This week, head strength and conditioning coach Josh Hingst and head athletic trainer Eric Sugarman were united in their message: After a physical game in San Francisco, where the 49ers ran the ball for 208 yards and kept the Vikings' defense on the field for 37:07, players needed to rest.