Be happy. I just checked that after a series of injuries in last 2 days, my L16 team has 12 injuries in past week (actually in 5 days).
Luckily, the league position has almost been fixed, I will not spend any red treatment packs for injury term less than 4 days.
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Edit on 11 Dec 2014:
As at today, total 13 injuries in 6 days.