Lionel Messi scored a hat trick to deal a humbling defeat to his former mentor Pep Guardiola on Wednesday, leading Barcelona to an emphatic 4-0 victory over Manchester City in the Champions League. The former Barcelona midfielder coached Bayern Munich when the German side lost 3-0 here in the Champions League semifinals two years ago, when Messi scored twice. Arsenal routs LudogoretsMessi wasn't the only high-profile footballer with a hat trick on Wednesday. German international Mesut Oezil fired a second-half hat trick as Arsenal took a big step to qualifying for the knockout stage of the Champions League with a 6-0 rout of Bulgarian champion Ludogorets. Bayern wobbled briefly after PSV had cut the deficit to 2-1 but quickly restored its dominance to extend its Champions League home record of 14 consecutive wins.

Source: CBC News October 19, 2016 21:33 UTC