Chelsea are reportedly about to complete the signing of Jadon Sancho from Manchester United in a dramatic late signing on deadline day. The Blues have been linked with Jadon Sancho, 24, on the final day of this summer transfer window. Chelsea legend Frank Lampard raved about Sancho years ago. Now, the English winger will be trying to create his own legacy in West London. Journalist Fabrizio Romano has reported via X that Chelsea have agreed a deal to sign Sancho on loan. Interestingly, the transfer includes an obligation to buy clause. READ MORE: Who Jadon Sancho said he idolised growing up sh…