Chelsea are expected to strengthen their squad this summer and help Thomas Tuchel build on last season's Champions League triumph.The 2020/21 campaign proved a historic one in Blues history, with Tuchel guiding them to European glory and the FA Cup final despite only replacing sacked boss Frank Lampard at the end of January.Despite their success, Stamford Bridge chiefs will still be determined to bolster their squad and boost Tuchel's chances of mounting a serious Premier League title challenge next term.And ahead of the summer window, Daily Star Sport are on hand with the latest Chelsea transfer developments below.Both Chelsea and Manchester United are said to be interested in signing Bayern Munich winger Kingsley Coman this summer.But.
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