Belgium goalkeeping coach Erwin Lemmens believes Chelsea's below-par season has contributed to Thibaut Courtois not being in top condition for Euro 2016.
Courtois, 24, was sent off on the opening day of the season and then suffered a knee injury early in the campaign that ruled him out until December.
He returned to a Chelsea side that was desperately struggling to find form, with coach Jose Mourinho on the verge of being sacked.
The former Genk and Atletico Madrid goalkeeper is Belgium's No. 1...