It's not as bad as is made out, he always misses a few games a season but he played 28-47 over the last 5 seasons.
A collapsed lung is apparently well known for being an injury that comes back, mind.
I'm not being funny like but he has genuinely had terrible luck with injuries and suspensions. Not quite Roeder levels but it's been pretty bad. As manager he carries the can for fitness and discipline though.
Because during the 34th minute it's going to be impossible for 11 highly paid professional athletes to perform amidst a protest that isn't remotely directed at them. That leaves us with 89 normal time minutes.