Conversation so far:
When did Stephen Roche's professional career start?
Roche scored his first professional victory by beating Bernard Hinault in the Tour of Corsica.
Which team was he on?
CANNOTANSWER.
What happened after the Tour of Corsica?
Less than a month later he won Paris-Nice.
What happened after he won Paris-Nice?
illness following the descent from Mont Ventoux and finished his debut season with victories in the Tour de Corse.

Question: What happened in his second season?
Self-contained rewrite: What happened following the descent from Mont Ventoux in Stephen Roche's second season?