Antoine Griezmann looks set to be at the heart of 2019's major transfer saga, having announced his intention to leave Atletico Madrid.
Griezmann has been Atletico's leading light since he joined from Real Sociedad five years ago, but he confirmed on Tuesday he will leave the Wanda Metropolitano at the end of the season, with Barcelona reportedly his preferred destination.
Atletico can reflect on a period of success for the club with Griezmann playing a key role, the France forward firing them to Europa League glory last year before winning the World Cup with his country.
Replacing Griezmann will prove a major challenge for Diego Simeone as the striker has scored 133 of their 463 goals in all competitions since 2014-15, 28.7 per cent of the club's total.
But how does that figure compare to some of the other elite strikers of European football in recent seasons?
There was European disappointment for Cristiano Ronaldo this season, but he helped Juventus cruise to another Serie A title and contributed 28 of the 86 goals they scored in all competitions - 32.6 per cent.
That figure is remarkably similar to his record at Real Madrid between the 2009-10 and 2017-18 seasons, where he was responsible for 450 of their 1,378 goals - 32.7 per cent - contributing to a historic run of three consecutive Champions League crowns.
Griezmann could line up with Lionel Messi at Camp Nou next term, with the Argentina attacker on track to win the European Golden Shoe for a record sixth time.
Messi, now captain at Barca, has scored 27.9 per cent of his team's goals since breaking into the team as a teenager in October 2004.
Griezmann is widely expected to be a successor to Luis Suarez, with the Uruguay international aged 32 and seemingly coming towards the end of his career.
Suarez has scored 177 of 767 Barcelona's goals in all competitions - 23.1 per cent - since he joined the club from Liverpool in 2014.
3 - @atletienglish's @AntoGriezmann is one of the three players to have scored 15+ goals in LaLiga in each of the last five seasons, alongside Lionel Messi and Luis Suarez. Prince. pic.twitter.com/CGd7wk78dZ— OptaJose (@OptaJose) April 24, 2019
Bayern Munich look set to clinch another Bundesliga title, their success continuing to be built around the reliable goalscoring of Robert Lewandowski.
Poland international Lewandowski joined Bayern in July 2014 and has since scored 189 goals in all competitions for the club, 29.7 per cent of their total in that time.
Pep Guardiola once famously described Tottenham as 'the Harry Kane team' and the Opta numbers bear out his assessment to a degree.
England captain Kane has scored 30.6 per cent of Spurs' 519 goals in all competitions since the start of the 2014-15 campaign, winning two Premier League Golden Boots in the process.
Perhaps surprisingly, Manchester City's all-time record goalscorer Sergio Aguero has the joint-lowest percentage for his club among the strikers we examined.
Since joining City ahead of the 2011-12 season he has scored 231 of their 1,019 goals in all competitions for a comparatively low 22.7 per cent. However, that still marks a hugely significant contribution to City's ongoing success.
ChampionsVery excited to obtain another title with this fantastic FC, and on the most competitive league in the world. We've achieved this together — the players, the coaches, the staff, the board, and our amazing supporters. Thank you all, and we're aiming for more! pic.twitter.com/lHlHYsSuwX— Sergio Kun Aguero (@aguerosergiokun) May 12, 2019
Paris Saint-Germain's all-time leading goalscorer Edinson Cavani has had an injury-hit campaign for the Ligue 1 champions.
Since 2013-14, Suarez's international team-mate Cavani has scored 192 of PSG’s 847 goals in all competitions - 22.7 per cent - although he did play wide when Zlatan Ibrahimovic was at the club.
|Ter Stegen out of Copa del Rey final|
|Ewan victory sees Demare nudge into Giro points lead|
|Khawaja sent for scans after blow to head|
|Diego Costa a doubt for start of Atletico´s pre-season with ligament sprain|
|Caballero commits to Chelsea for 2019-20|
|F1 Raceweek: Ricciardo or Red Bull to halt Mercedes? - Monaco GP in numbers|
|Deco: Valverde will be feeling heat at Barcelona after Liverpool loss|
|Caparros to be replaced as Sevilla coach but remain at the club|
|England have no margin for error at World Cup, warns Stokes|
|An iconic character - Villeneuve & Prince Albert remember Niki Lauda|
|Borussia Dortmund sign Leverkusen star Brandt|
|Rudi Garcia to leave Marseille|
|If my job depends on one game, I want to leave Chelsea immediately – Sarri|
|Sarri hopes Hazard stays at Chelsea but will respect any decision|
|NRL Opta facts: Retiring Cronk seeks 100th try|
|Trail Blazers give coach Terry Stotts multi-year extension|
|Guingamp and coach Gourvennec part ways following relegation|
|Coutinho returns to Barcelona training ahead of Copa del Rey final|
|Lam signs new long-term contract with Bristol|
|Aduriz agrees one-year Athletic extension|
|Those Star Wars writers might have been busy! Rodgers unhappy with Game of Thrones finale|
|He should have a statue in Perez´s garden – Real Madrid great lauds Zidane´s return|
|Gyan makes Ghana retirement U-turn after presidential request|
|49ers pass rusher Bosa tweaks hamstring|
|Kroos, Ter Stegen to miss Germany qualifiers|
|Archer brings X-factor to England attack – Root|
|Thorgan Hazard completes Borussia Dortmund move|
|Giannis not feeling pressure despite Raptors revival|
|Gundogan confident Man City will keep Sane despite Bayern links|
|Sterling wants to discuss tackling racism with FA and Premier League|
|Raptors´ VanVleet ends shooting slump after birth of second child|
|Pogba and Hazard to Real Madrid? It´s possible, says Varane|
|Plunkett hails ´special talent´ Archer|
|Solskjaer deserves patience at Manchester United - Van Persie|
|Yankees stay hot, pull away for win over Orioles|
|Three takeaways from Raptors´ Game 4 win over Bucks|
|Well-rounded Raptors level series against Bucks|
|Blues snap 49-year Stanley Cup Finals drought|
|Koscielny slams UEFA after Mkhitaryan withdrawal|
|Del Bosque defends Spanish clubs despite European failure|
|Pulisic keen to match Hazard impact at Chelsea|
|Durant ´100 per cent undecided´ about future, says manager|
|Rodgers says Packers´ new offense is ´going to look different´|
|Beilein explains decision to leave Michigan for Cavaliers|
|Warriors became ´unbeatable´ with Durant, says Green|
|Simeone reaffirms Atletico commitment ahead of rebuild|
|Wallabies star Sio re-signs until 2022|
|Lacazette adamant he´s in the form of his life|
|Cech denies he already agreed to Chelsea sporting director role|
|Fury expects Wilder rematch in March or April 2020|
|Costa avoids bone damage after suffering ankle injury|
|Canada beat USA, who must now face rampant Russia|
|Barty withdraws before rain scuppers play in Strasbourg|
|AFC Champions League Review: Oscar hat-trick helps Shanghai SIPG progress|
|Zverev cruises through in Geneva as Dimitrov crashes out|
|Luka Doncic & Trae Young top 2018-19 NBA All-Rookie first team|
|F1 Raceweek: Can Verstappen stop Hamilton & Bottas in Monaco?|
|Sri Lanka end ODI winless streak in Edinburgh|
|Ratchford set for long injury absence|
|It´s staying up! - Bernardo Silva shows off good-luck Christmas tree|
|Varane vows to stay at Real Madrid for next season|
|Shahzad and Naib star as Afghanistan bounce back in Belfast|
|Argentina has strongest possible squad - Scaloni|
|Kohli expecting his ´most challenging World Cup´ yet|
|Kompany set for Manchester City testimonial at Etihad Stadium|
|Love you man – Lewis Hamilton pays tribute to Niki Lauda|
|Garitano replaces Abelardo as Alaves coach|
|O.J. Simpson´s No. 32 Bills jersey assigned for first time in 42 years|
|Dybala, Aguero in Argentina´s Copa America squad as Icardi is left out|
|Demare opens Giro account after Ackermann crash|