Brazilian midfielder Willian has confirmed he will leave Chelsea after seven "wonderful" years at Stamford Bridge.
The 32-year-old, linked with a move across town to Arsenal, posted a farewell letter to the club's fans on Twitter.
"The time has now come to move on. I am certainly going to miss my team-mates," he said.
"I leave with my head held high, safe in the knowledge that I won things here and always did my best in a Chelsea shirt!"
Willian, who began his career with Corinthians in Sao Paulo, joined Chelsea from Anzhi Makhachkala in 2013 and made over 300 appearances for the club, winning two Premier League titles.
He was out of contract this summer and had failed to agree a new long-term deal with the club.
"In August 2013 when I received the offer from Chelsea, I was convinced that this was where I had to play," he said.
"Today I am certain that it was the best of decisions. There were so many happy times, some sad, there were trophies and it was always very intense."
Another player heading for the exit door is fellow forward Pedro.
The Spaniard, who suffered a shoulder injury in the FA Cup final, is set to join Roma on a free transfer and bid a fond farewell to his current employers.
"After five wonderful years my stage at Chelsea FC comes to an end," he wrote on Instagram.
"It's been a pleasure and an honour to play for this club and win the Premier League, FA Cup and Europa League titles, as well as competing in one of the world's best football leagues. I made the right choice, I take with me wonderful and unforgettable memories.
"I say farewell very pleased with this stage of my career, and I'm also very excited with the next to begin. Thanks and good luck for the future."
After securing Champions League qualification through a fourth-placed finish, Lampard's first campaign as boss ended on disappointing notes with the cup final loss followed by a difficult trip to Germany.
Nevertheless, Tammy Abraham, who claimed his side's consolation at the Allianz Arena, hailed a "phenomenal" season for the club and believes his maiden year in the Premier League could not have gone much better.
The England striker registered 18 goals in all competitions during his breakthrough campaign in west London - an achievement he is eager to build on.
"It's been a phenomenal season for myself and the lads," the 22-year-old told Chelsea TV.
"I couldn't have asked for a better season. I have had a few niggles here and there, but I have come out stronger and now I have to build myself for next season and start well and end well. That's my aim. I have to raise my bar and go again."
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