That would mean that this is very unlikely to be a bug, since training occurs on Friday.
The most likely scenario is this:
Before training, you saw the stamina arrows.
Once training occured, the stamina arrows disappeared and the single arrow for the above-mentioned player was displayed.
NO ONE at this table ordered a rum & Coke
Charles: Penn has some good people
A CT? Really?
Any two will do
Any three for me
Any four will score
Any five are live