Conversation so far:
What was Spell in England?
After the 2000–01 season, he moved from Lazio to Manchester United on 12 July for a fee of £28.1 million on a five-year deal
Why wasn't the spell a great success?
as the season progressed and fatigue settled in, his performances declined
What else was bad about Juan Sebastián Verón's time at Old Trafford?
However, injury meant that he missed much of the end of the season.
What else happened in Juan Sebastián Verón's second season?
fans and pundits alike agreed that the signing was an expensive flop.
Did Juan Sebastián Verón win games in the Champions League?
in the Champions League he excelled due to the slower tempo of the matches, scoring four goals, and was at the heart of United's successes in the group stages.
What else was notable about Juan Sebastián Verón's second season other than his injury, fans agreeing his signing was an expensive flop, and excelling in the Champions league?
Questions over his performance led to an expletive-laden tirade against the media by manager Sir Alex Ferguson in support of Verón: [Verón] is a fucking great player“
What was the outcome of the tirade?
Verón later commented that the reason for his fitness problems and struggles with injuries at Manchester United were due to the less intense summer pre-season training in England
Did Juan Sebastián Verón sign with someone else after old Trafford?
Chelsea paid £15 million for him two years on

Question: When did he begin at Stamford Bridge?
Self-contained rewrite: When did Juan Sebastián Verón begin at Stamford Bridge?