Paris Saint-Germain wins French title for second year running . Challenger Monaco unable to catch PSG . Monaco held 2 -1 by Rennes . PSG beaten 2 -1 at home by Guingamp .
Paris Saint-Germain wins French title for second year running . Challenger Monaco unable to catch PSG . Monaco held 1-1 by Guingamp . PSG beaten 2-1 at home by Rennes .