Royals pitchers, the home runs they've given up, and how many have been solo home runs:
Bruce Chen: 7 HR given up, 7 solo shots
Kyle Davies: 5 HR given up, 5 solo shots
Luke Hochevar: 10 HR given up, 8 solo shots.
Sean O'Sullivan: 1 HR given up, 0 solo shots.
Jeff Francis: 4 HR given up, 3 solo shots.
The bullpen: 8 HR given up, 4 solo shots.
So in total (if my math isn't jacked up and I haven't missed anything), the Royals have given up 35 home runs, 24 of which have been solo shots for a solo home run rate of 68%. If I remember correctly, the average % for solo home runs vs. multi-run home runs in MLB usually is between 55-59% on average (I haven't looked it up in quite a while, though).
But the Royals starters have given up 27 of those 35 home runs, and 23 of the 27 have been solo shots for an 85% solo home run rate.
Basically, the Royals starters have been a bit lucky to this point to not give up more runs than they already have, but at this point in the season, that's about 6-7 home runs off of the mean. I can't remember what the average runs per home run in MLB is anymore, but I think it's safe to say the Royals could have given up another 8-10 runs than they have to this point.
Again, meaningless, but interesting...er, at least to me.
Now, if I were an enterprising lad, I'd go and find out the solo home run rate for the Royals hitters. Last I checked, though, I am neither enterprising, nor a lad.