While I'm certain there should be a way to achieve this I think that this is a very bad idea. Because you're using sprints and the term velocity I'm assuming your using an agile methodology.
Agile focusses on the responsibilities as a team, not as an individual. While someone might be helping others all sprint long getting their work done and making sure the sprint goal is reached, he/she won't have any issues assigned to their name and thus it looks like they've performed badly even though they've fulfilled a very important role in that sprint.
Just my 2 cents.
Gaining insight into your team’s effectiveness and choosing the right estimation technique. Estimating projects is hard. It is because people have the tendency to underestimate the time thin...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs