Just for info. The yellow card stats are here - I'm assuming that they haven't been updated to include today's game (yet).
http://www.foxsports.com/soccer/stats?competition=23&season=2015&category=STANDARD&team=0&sort=8
If I'm correct about the 10 card cut-off being the 2nd Sunday in March...
Need to double check, but I think that's 8. The cut-off for the 10 card suspension is next Sunday, which is good as, due to Reading being in the cup, we don't play next weekend's fixture until the following week! So if my stats are correct, BK can't get suspended unless he gets sent off.