Record 35-time Serie A champions Juventus continued their march towards a record-extending ninth consecutive league title by beating Fiorentina 3-0 at home in a matchday 22 fixture of the 2019-20 season.The win helped the Bianconeri open up a six-point lead atop the league standings before second-placed Inter Milan's 2-0 away win at Udinese reduced the champions' lead to three points.You may also like: 5 reasons why Juventus' domestic dominance is likely to continue in 2019-20.AC Milan's five-match winning run in all competitions ended following a 1-1 home draw with Sampdoria. Elsewhere, third-placed Lazio were back to winning ways with a convincing 5-1 home win over SPAL after their 11-game winning run in the league was ended by fierce cross-town rivals AS Roma.Champions League debutants Atalanta, whose 59 goals are the most scored by any team in the Italian top-flight this season, remain in fourth place following a 2-2 home draw against Genoa.On that note, let us have a look at the five talking points from the 22nd matchday of the 2019-20 Serie A season:#1 Cristiano Ronaldo quickest to score 50 Juventus goalsRonaldo (right) celebrates after scoring one of his two penalties against FiorentinaMaking his 70th appearance in all competitions for Juventus, Cristiano Ronaldo scored a pair of penalties against Fiorentina in the Bianconeri's 3-0 home win on matchday 22 of the ongoing 2019-20 Serie A season.In the process, the 34-year-old Portuguese player became the quickest to reach the milestone of scoring 50 goals for Juventus - a tally which includes 40 goals in Serie A, eight in the UEFA Champions League, one in the Coppa Italia, and one in the Super Coppa Italiana.80' | 5️⃣0️⃣ | @CRISTIANO MAKES IT FIFTY GOALS IN ⚪️⚫️!!!!!!! #CR50#JuveFiorentina [2-0] #ForzaJuve pic.twitter.com/SnBx1R9Ak6— JuventusFC (@juventusfcen) February 2, 2020It marked the ninth consecutive Serie A game Ronaldo scored in, emulating French striker David Trezeguet, who also did so for the Bianconeri in 2005.You may also like: 5 milestones awaiting Ronaldo in 2020.#2 Juventus become the first team to register 1600 Serie A winsJuventus players celebrate a goalEight-time defending champions Juventus notched a league-leading 17th win of the ongoing 2019-20 season following a comfortable 3-0 victory at home to visiting Fiorentina on matchday 22.In the process, the record 35-time Serie A champions became the first team to register 1600 wins in the Italian top-flight.1600 - @juventusfc are the first team to have won 1600 games in the history of the Serie A (incl. awarded wins and excl. play-offs). Baroque.#JuventusFiorentina #SerieATIM pic.twitter.com/UwtirYxJlr— OptaPaolo (@OptaPaolo) February 2, 2020