(CNN)Reigning Aussie Open champ Federer beaten by young gun... Arsenal dominates Chelsea for crucial Premier League win... Shiffrin continues dominance in Italy... Pac-Man calls out Mayweather after dominating Broner. This is your weekend of sport.
Weekend in Sport: Federer comes up short in Melbourne; Lacazette leads dominant Arsenal over Chelsea; Mayweather-Pacquiao II mooted
They say: never meet your heroes. Stefanos Tsitsipas might disagree.
The 20-year-old Greek ended the reign of his boyhood idol Roger Federer in Melbourne Sunday when he defeated the twice-defending champion 6-7 (11-13) 7-6 (7-3) 7-5 7-6 (7-5) at Rod Laver Arena, advancing to a maiden grand slam quarterfinal.
With Andy Murray crashing out in the first round, it hasn't been a vintage year for the Big Four of men's tennis' \ -- down to three now, with Murray's impending retirement.
As the opening major of the calendar heats up, it's increasingly likely this is the year that their dominance wanes -- in another next gen triumph, 21-year old American Frances Tiafoe played the match of his nascent career to oust 20th seed Grigor Dimitrov 7-5, 7-6(6), 6-7(1), 7-5 to secure his spot in the quarter-finals.
But elder statesman Novac Djokovic, who has only dropped one set on his way to the final thus far, is showing no signs of slowing down.
The Serb, top-seeded in Melbourne, meets 22-year-old Daniil Medvedev in the Round of 16 Monday. Squeaking into the top 20, the young Russian hasn't faced any real opposition thus far in Melbourne, but will need to outdo Tsitsipas' giant-killing Sunday to knock the serial winning Djokovic off his perch.
LA Rams head coach Sean McVay was a callow teen the last time the Rams made it to football's biggest game. But now -- in part due to a shocking refereeing decision -- he has the chance to