Reuters Sports News Summary

Following is a summary of current sports news briefs.

Rams' Donald finds motivation from Super Bowl loss

Aaron Donald is already the most fearsome defender in the NFL but the sting of a Super Bowl loss that kept him from making good on a promise to his young daughter has the Los Angeles Rams defensive tackle determined to come back better next season. The moment that stuck with Donald most from that Super Bowl loss to the New England Patriots in February did not happen in the game but rather in the immediate aftermath as his opponents brought their families on to the field to celebrate.

Na overcomes double-bogey to lead, Spieth two back

Kevin Na rebounded from a back-nine double-bogey to grab a two-stroke lead as Jordan Spieth moved into a tie for second after three rounds of the Charles Schwab Challenge in Fort Worth, Texas on Saturday. Na shook off the double at the 11th hole to birdie the 13th on his way to a one-under par 69 at a Colonial Country Club layout made tough by breezy conditions.

Motor racing: Castroneves has Tiger in his tank for Indy 500

If Tiger Woods can get back in the winners' circle Helio Castroneves says he sees no reason he cannot return to Victory Lane at the Indianapolis 500 on Sunday and finally claim a place in the Brickyard's most exclusive club. In more than a century of racing at the Indianapolis Motor Speedway (IMS) only three men -- A.J. Foyt, Al Unser Sr. and Rick Mears -- have won the 500 four times and with a win on Sunday Castroneves would become the first non-American to join that group.

Ice hockey: Canada and Finland reach world championship final

Canada reached their fourth world championship final in the last five tournaments with a 5-1 rout of the Czech Republic and Finland joined them with a shock 1-0 win over favorites Russia on Saturday. Sunday's title showdown in the Ondrej Nepela Arena will be the second meeting between the two sides in the 16-nation event after Finland beat Canada 3-1 in their opening group-stage clash in Kosice.

Thunderstorms threaten Indy 500

The forecast for Sunday's Indianapolis 500 calls for an 80-90 percent chance of rain, with thunderstorms throughout the day. "I would just tell everyone to remember: This is Indiana," Indianapolis Motor Speedway President Doug Boles said Saturday, referring to the state's unpredictable weather.

Motor racing: We got our sums wrong, admits Ferrari boss

Ferrari messed up on the biggest stage of all on Saturday, leaving local hero Charles Leclerc's Monaco Grand Prix hopes in tatters. With the 21-year-old Monegasque demanding answers after being left 16th on the starting grid, Ferrari boss Mattia Binotto accepted the sport's oldest and most successful team had, not for the first time, got their sums wrong.

Qatar's state-backed group and PSG owner in talks for stake in Leeds United: FT

Qatar Sports Investments, a state-backed body founded by the emir of Qatar, Sheikh Tamim bin Hamad Al Thani, is in discussions to buy a stake in English soccer club Leeds United, the Financial Times reported on Saturday, citing people familiar with the talks. The state-backed group, which owns French club Paris St Germain, was seeking as much as a controlling stake in Leeds United in a deal that would mark Qatar's entrance to English football, FT reported.

Motor racing: After 50 years, Andrettis look to bookend 500 wins

In the run-up to the Indianapolis 500 the spotlight has been on Mario Andretti but come Sunday it is grandson Marco in the crosshairs as he attempts to lift a family curse by returning a member of the clan to Victory Lane at the famed Brickyard. As usual there are no shortage of high-octane storylines at the sprawling 2.5-mile oval but Marco Andretti's bid to end a 50-year Brickyard barren stretch for American motor racing's first family has dominated conversation.

Hamilton honors Lauda with Monaco pole for Mercedes

Lewis Hamilton celebrated an emotional pole position for Mercedes at the Monaco Grand Prix on Saturday with team mate Valtteri Bottas joining the Formula One leader on the front row, while Ferrari got their sums wrong. The record-extending 85th pole of the Briton's stellar career, and second of the season, came as the sport mourns the death of triple world champion and Mercedes non-executive chairman Niki Lauda.

Tennis: Zverev outlasts Jarry in thrilling final to clinch Geneva Open title

Germany's Alexander Zverev did his French Open preparations a world of good by beating Chile's Nicolas Jarry 6-3 3-6 7-6(8) in a grueling, rain-hit final at the Geneva Open on Sunday. Top seed Zverev, looking for his first title win on clay since clinching the Italian Open last year, had endured a disappointing season so far and had not won a title since the ATP Finals in London in November.