Maybe what the Jays could do is the wig thing. Meaning implant real grass turf on the underside of the players shoes, glue a patch on with 2 way tape or something. And then they are running on real grass over top artificial grass. That should be ok for the knees.
Still doesn't take care of the look though of the stadium. :roll:
The Jays may want to look at the SpikeTurf for the RC...
only problem I can envision is that the players who slide head first may have difficulty getting dates. :o