CHELSEA and Barcelona are in a transfer chase for Grasshopper speedster Allan Arigoni.
The Swiss left back's staggering pace has caught the eyes of both elite clubs.
The 21-year-old has made 15 league appearances so far this season and his blistering pace has helped him provide five assists.
He has made 19 appearances across all competitions so far.
Barca sent ex-midfielder 56-year-old Jose Mari Bakero to Switzerland to watch him, as they reportedly lead the race for one of the most sought after youngsters in Europe right now.
According to Blick, there is a tight transfer battle between Stamford Bridge and the Nou Camp for the young starlet.
Arigoni s said to have clocked a speed of 35.1km/h this season.
It makes him joint quickest with Bundesliga's Achraf Hakimi of Borussia Dortmund.
The lightening fact ace came through the ranks at Ticino U18's.
And although no official bids have been put forward for the young prospect, either Barca or Chelsea could put one in either this window or in the summer.
Blues boss Frank Lampard has already been linked with several players which he could seal the deals on this window.
Lyon's Moussa Dembele and Paris Saint-Germain's Edinson Cavani are on his radar.
However there is also interest for Cavani from Manchester United and Atletico Madrid, the latter of which is looking likely to get him.
As for Barcelona they are also after another centre-forward having lost Luis Suarez to injury.
Suarez will be out for the next three months, so the Spanish giants are thought to be after Arsenal's Pierre-Emerick Aubameyang.