I also dont like what i have seen from Rondo this season. His defense is awful. The effort in general isnt as high as it once was. And the assisting on jumpshots after dribbling or holding the ball for a long time is predictable and bad to watch.
If rondo doesn't get any better than this, a 15 million a year extension will be a big mistake. Right now he is worth half that.
Even if the timing is off, he should still be putting forth more effort. Bend his knees and get low on defense, etc. if he cant do that, he shouldn't be playing.