Novak Djokovic defeated John Isner 6-4, 7-6 (5) to reach the quarterfinals of the BNP Paribas Open on Wednesday night in pursuit of his fourth career title in the desert.

The world's top-ranked player raced through the first set in 30 minutes, then rallied to get into a tiebreaker against the big-serving Isner. All eight of their meetings have included at least one tiebreaker.

American tennis player Wayne Odesnik was banned Wednesday for 15 years after a second doping violation, a sanction that essentially ends his career and was widely applauded by several top players.

The International Tennis Federation said the 29-year-old Odesnik tested positive for several banned substances, including steroids, during tests in December and January.

Lionel Messi helped Barcelona to a convincing 1-0 win over Manchester City on Wednesday that only goalkeeper Joe Hart prevented from becoming a rout, as the Spanish hosts reached the Champions League quarterfinals for a record eighth consecutive season.

Faced with the daunting task of overturning a 2-1 first-leg loss, Manuel Pellegrini's City needed an inspired showing from Hart just to avoid a thrashing as Messi and Neymar ran amok at Camp Nou.

Carlos Tevez scored two and set up another as Juventus beat Borussia Dortmund 3-0 away to reach the Champions League quarterfinals with a 5-1 aggregate victory on Wednesday.

Tevez opened the scoring in the third minute when he let fly with a thunderous shot from around 20 meters (yards) into the top left corner. The Argentine then gave Alvaro Morata a simple tap-in to seal the victory on a counterattack in the 70th.

Bayern Munich will be the team to beat when the draw for the Champions League's quarter-finals is made on Friday, according to their Germany star Thomas Mueller.

Pep Guardiola's Bayern threw down a marker for their European rivals when they hammered Shakhtar Donetsk 7-0 in Munich last week in the last 16, second leg clash, having been held to a goalless draw in Ukraine.

Parma's chairman was arrested on Wednesday on money-laundering charges, police sources said, deepening the crisis at the financially stricken Italian club which is on the brink of having to stop playing.

The arrest of Giampietro Manenti came on the eve of a bankruptcy hearing which could result in the club being wound up and prevented from completing the rest of its Serie A fixtures.

Former Sauber test driver Giedo van der Garde says he has settled his contract dispute with the team and received "significant compensation" while accepting his Formula One career is effectively over.

Van der Garde had a deal to be one of the team's race drivers this season, but Sauber did not honor it, and legal judgments in Switzerland and last week in Australia before the season-opening race supported the Dutchman's claims.

The English Football Association has warned clubs about their players' on-field behavior after what it calls a "scary" rise in the number of cases of referees being surrounded.

Such incidents in the top five divisions have already led to 16 FA charges against clubs, which results in a sliding scale of fines, compared with six cases in each of the previous two seasons. A further 29 warnings have also been issued to clubs this season.

Monaco withstood Arsenal's onslaught to reach the quarterfinals of the Champions League despite a 2-0 home defeat on Tuesday, advancing on the away goals rule after drawing 3-3 on aggregate.

Following a 3-1 humiliating defeat at the Emirates three weeks ago in the first leg of the last 16, Arsenal needed to score at least three times to become the first team in the history of the Champions League to progress after losing at home by a two-goal margin.

Fernando Torres scored the decisive spot-kick as Atletico Madrid beat Bayer Leverkusen 3-2 in a penalty shootout on Tuesday to reach the quarterfinals of the Champions League.

The match finished 1-1 on aggregate after extra time, with the home side avenging its 1-0 defeat in Germany in the first leg of the last 16 contest with a 1-0 victory on the night.