The Colombian forward is heading to Italian champions Juventus on loan.
Atalanta coach Gian Piero Gasperini admitted his side struggled against Udinese.
A spectacular piledriver from Juan Cuadrado gave Serie A leaders Juventus a 1-0 win over Inter Milan, ending a run of seven successive Serie A wins for their opponents in a pulsating end-to-end match on Sunday.
Barcelona made a disappointing start to their Champions League campaign by losing 2-1 to AS Monaco on Thursday.
Sadio Mane scored twice to help Senegal fight back and shock Brazil 4-2 in a friendly in Lisbon on Tuesday.
Real Madrid's Rodrygo struck twice and Jude Bellingham was also on target as the visitors enjoyed a 3-0 win at lowly Cadiz.
The league, which is now conducting tests twice per week, did not name the people who tested positive but said they will self-isolate for 10 days.
Goals from Paulo Dybala and Juan Cuadrado sent Juventus back to the top of the Serie A table with a comfortable 2-0 win over 10-man Brescia on Sunday.
IMAGES from soccer matches played across Europe on Saturday.
In a big blow to Real Madrid's title hopes, Real Betis held them to a goalless draw in their La Liga encounter on Sunday.
Holders Juventus swept aside old rivals Inter Milan 3-0 with some flowing attacking football and a brace from Alvaro Morata in the first leg of their Coppa Italia semi-final.
Barcelona winger Raphinha secured a 1-0 win in LaLiga for the second straight week this time at Athletic Bilbao as his side tightened their grip on top spot.
Colombia's World Cup campaign roared back into life with a 3-0 win over Poland in Group H on a sweltering evening at the Kazan Arena which sent the Poles tumbling out of the tournament on Sunday.
Chelsea manager Antonio Conte indicated that striker Diego Costa will stay at the club, despite a series of reports in the Spanish media linking him with a return to Atletico Madrid.
Serie A leaders Juventus scored twice in the last five minutes to win 3-2 at Inter Milan, who had earlier come from behind to lead despite playing with 10 men in an extraordinary match on Saturday.
Cristiano Ronaldo's goal, which took his league tally for the season to 21, meant that he joined Fabio Quagliarella and Gabriel Batistuta as the only players to have scored in 11 consecutive league appearances. He also reached yet another milestone with his 1,000th match for club and country in a remarkable career which has seen him play for Sporting, Manchester United, Real Madrid and Portugal.
Colombia's James Rodriquez is once again looking to showcase his skills at the showpiece event and remind the world of his talent.
Brazil playmaker Kaka scored his first goal, a delightful curling shot, since his return to AC Milan at the start of the season but his struggling team were held 1-1 at home by Lazio in Serie A on Wednesday.
Second-placed Sevilla were held to a 1-1 draw by Barcelona, while Juventus registered a routine 2-0 win over struggling Cagliari.
The club said in a statement that they will observe a period of self-isolation in accordance with league and UK Government protocols on quarantine.
Juventus substitute Cristiano Ronaldo was denied a stoppage-time winner by VAR as Udinese came from two goals down to snatch a 2-2 draw in their thrilling Serie A season opener on Sunday.
A round-up of Wednesday's action in the UEFA Champions League.
Images from the Serie A and La Liga matches played on Saturday.
Defiant 10-man Porto upset Juventus to reach the Champions League quarter-finals on away goals after a 4-4 aggregate draw despite losing 3-2 to the Italians following extra time in a thrilling clash that went to the wire on Tuesday.
Ousmane Dembele struck early and Lionel Messi converted a late penalty as Barcelona won 2-0 at Juventus in the Champions League on Wednesday after Alvaro Morata had three goals disallowed for offside for the Serie A side.
On a seismic day in the history of Chelsea, Romelu Lukaku scored the winning goal in a 3-2 FA Cup fifth-round victory
Carlos Bacca's first-half goal was enough to give Colombia a 1-0 victory over the United States in the third-place playoff at the Centenary Copa America in Arizona on Saturday.
Juventus have 13 points from seven games, three behind leaders AC Milan who host Verona later on Sunday. Lazio have 11 points.
Captain Casemiro said Brazil fully deserved the three points.
All the action that transpired on and off the football field
Colombia head to Copa semis after penalties win over Uruguay
Paulo Dybala upstaged his fellow Argentine Lionel Messi by scoring two exquisitely taken goals to set Juventus on the way to an emphatic 3-0 win over an underwhelming Barcelona in the Champions League on Tuesday.
Neymar conjured up a superb equaliser and a dreadful penalty miss in a pulsating 1-1 draw between 2014 World Cup hosts Brazil and Colombia in their friendly.
Juventus moved nine points clear at the top of Serie A after defeating Palermo 4-0 at home on Sunday and Francesco Totti bagged a dramatic late equaliser as AS Roma drew 3-3 at Atalanta.
Colombia beat Ivory Coast 2-1 in yet another action-packed World Cup clash in Brasilia on Thursday to top Group C on six points and move within touching distance of making the knockout phase for the first time since 1990.
Images from the UEFA Champions League matches played on Wednesday.
Chile beat Colombia 2-0 in the Copa America semi-final on Wednesday and will face Argentina in Sunday's final after surviving a tumultuous match in Chicago.
IMAGES from football matches played across Europe on Sunday.
Photos from the match between Bayern Munich and Juventus played on Wednesday
Fiorentina fell behind to a spectacular scissors-kick goal from Pandurii's Eric Pereira before hitting back in the last five minutes to win 2-1 on Thursday and lead a charge of teams into the Europa League knockout stages.