David Moyes' first thought was to hand his Europa Conference League winners' medal to his father as the manager hailed West Ham's 'incredible journey' which has ended the Hammers' 43-year wait for a trophy.
Jarrod Bowen's dramatic last-minute goal sank Fiorentina 2-1 as the east Londoners secured a first piece of silverware since 1980's FA Cup, and a first European trophy since 1965, on a historic and emotional night for the club in Prague.
Moyes' dad, 87-year-old David Snr, has been on every step of West Ham's European tour and joined his son on the pitch after the final whistle.
"He was the first one, I thought I should get it round his neck," said the jubilant West Ham boss. "He's watched a lot over the years and I hope he enjoyed it."
West Ham led through a Said Benrahma penalty on the hour but were immediately pegged back by Giacomo Bonaventura's strike.
But when Bowen chased Lucas Paqueta's ball over the top, Moyes almost found himself going full Jose Mourinho.
"The moment he went through I was edging down the touchline," he added. "If it was going to be anyone, I thought 'this is the moment'.
"But I couldn't do a full Mourinho knee slide as the grass was a bit dry and I'd have ended up on my belly."
Moyes has written his name in West Ham folklore, joining Ron Greenwood and John Lyall as trophy-winning Hammers managers.
A place in next season's Europa League means the club has qualified for Europe three campaigns in a row, for the first time.
"I actually think the last two years have been an incredible journey," he said.
"It's an incredible achievement to do so well in Europe, you look at some of the very good teams who find it a struggle. It's great credit, we've turned a disappointing season into a super season."
Bowen admitted scoring the winning goal in a European final was beyond his wildest dreams.
"I can’t sum it up, it’s the best feeling I’ve had in my career," said Bowen.
"When I went through I had a lot of time and it was just about making sure you put it in.
"The keeper came out and I think I fell over, I looked up and the ball was going in and I thought 'no, this isn’t happening’.
"I spoke to my family before and said ‘imagine scoring a goal in the last minute’. To bring a trophy to this club is the best moment of my career.
"The fans as well, seeing them after the game I was a bit lost for words. It’s the best feeling of my life, never in my wildest dreams did I think I’d win a European trophy.
"I’m so buzzing, all of us are just going to go mad I think. You have to celebrate.
"When the final whistle went I just thought’ this party is going to be crazy. I’m just a little boy from Leominster who never thought I’d be talking like this. My family are crying and it just shows me how far I’ve come."
Off the pitch, West Ham fans clashed with riot police in Prague after setting off flares as they celebrated the victory.
Fans poured into the streets of the Czech capital following the Hammers' victory over Fiorentina, with many already in the city centre after thousands of supporters travelled from the UK without tickets.
But a scuffle broke out after police officers tried to confiscate a lit flare as fans gathered in the Old Town area of the city.
Riot police stormed a group after they lit a second flare, with fans responding by pelting the officers with bottles and missiles.
Earlier in the day Czech police said they had detained at least 16 Italian fans after they attacked West Ham supporters outside a bar, with videos shared on social media showing chairs and fireworks being thrown.
There was also controversy during the match as Cristiano Biraghi of Fiorentina was seen bleeding from the back of the head after he appeared to have been hit by an object thrown from the West Ham stand.
Shortly before the end of the match, the English club put out a statement condemning the behaviour of a "small number of individuals", adding: "These actions have no place in football, and do not in any way represent the values of our football club and the overwhelming majority of our supporters, who have behaved impeccably in Prague this week and throughout our last two seasons in European competition."
The club said it would work with police to review the incident and take action against offenders, including implementing lifetime bans.
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