Tony Pulis is perhaps just taking a precaution with his third substitution now as Robson - Kanu is replaced by Salomon Rondon .
Robson - Kanu 's committed a couple of fouls since being booked .
Tony Pulis is perhaps just taking a precaution with his third substitution now as Robson - Kanu , who 's committed a couple of fouls since being booked , is replaced by Salomon Rondon .