Fernando Alonso remains the most complete driver in Formula One and should stay in the sport for the foreseeable future, according to Emerson Fittipaldi.
Alonso won the drivers' championship in 2005 and 2006 during his time at Renault, before finishing as a runner-up three times with Ferrari.
The Spaniard's returned to McLaren in 2015 has proved fruitless, with disappointing finishes of 17th and 10th at the struggling constructor.
There had been hopes that new regulations in F1 would level the playing field for the coming season, but McLaren endured more problems in pre-season and it is thought Alonso will contemplate his future with the team if he endures another campaign of struggle.
Last year, there were even rumblings that he may retire, but Fittipaldi - also a two-time world champion - expects Alonso, considered by many as one of the most gifted drivers of his generation, to continue enjoying success.
"To me, still today, Fernando Alonso is the most complete driver that's out there racing," Fittipaldi, speaking courtesy of Laureus, told Omnisport.
"He's incredible for testing and he's incredible as a racer. You know the famous phrase, when the flag drops the bulls**t stops. He's always there running very strong but sometimes the equipment is not there.
"He's a world champion and is extremely talented and very intelligent. He's going to leave a lot of legacy.
"I hope he doesn't stop. He has the physical ability to continue for many years, as long as he has the passion then he can continue for many years."
The dominance of F1 by Mercedes has gone unchallenged for the past three seasons, but Fittipaldi - a former McLaren driver - claimed the chasing pack can come back strong.
"Looking at the history of motor racing, the cycle and success of a team always happens," he added.
"Sometimes a team can be three, four or five years competing and winning.
"[But] McLaren can come back very strong, Ferrari can come back very strong, Williams can come back very strong. They've already won many world championships."
|Cavs sweep Pacers, Rockets poised to advance|
|Stanley Cup playoffs three stars: Capitals avert crisis, take care of Leafs in classic|
|Rockies sweep Giants, Tigers win easily|
|Marcelo: Madrid not inferior to Barca after Clasico loss|
|New Zealand regain trio for Champions Trophy|
|MLS Review: Larin brace sinks NYC, Dempsey stars for Sounders|
|Thunder´s Westbrook chides reporter after loss|
|Clasico hero Messi a blessing for Barcelona, says Iniesta|
|The best player in history – Suarez congratulates Messi|
|Warriors´ Kerr noncommittal about return to postseason|
|NBA needs to control rowdy fans or else I have to protect myself - Beverley|
|Carvajal: Ramos red card defined Clasico and Madrid loss to Barca|
|Gabriel gives Windies hope on landmark day for Younis|
|Messi cannot surprise anyone – Rakitic lauds Barcelona hero|
|Sergio Ramos feels red card was excessive: I did not try to hurt Messi|
|Chappell finally wins on PGA Tour with victory at Texas Open|
|I don´t understand your question - Wenger unsure of impact from semi-final win|
|Giving up is not an option - Injured United star Ibrahimovic vows to return|
|Pique: Ramos will realise he deserves his red once he gets home|
|Belarus to face USA in Fed Cup final as Czech reign ended|
|Zidane: Real Madrid should have been smarter with 10 men|
|Lyon 1 Monaco 2: Falcao and Mbappe make the difference|
|Messi is decisive even when he´s eating dinner at home - Luis Enrique hails Barca star after Clasico|
|Messi dependence returns but Barcelona blow LaLiga title race wide open again|
|Kante named PFA Player of the Year, Alli retains Young Player of the Year award|
|Luis Enrique matches Guardiola feat with victory in El Clasico|
|Real Madrid 2 Barcelona 3: Messi settles thrilling Clasico as Barca go top of LaLiga|
|Juventus 4 Genoa 0: Much-changed champions make light work of strugglers|
|Messi reaches 500 goals for Barcelona with dramatic Clasico winner|
|Younis in record-breaking form again to reach 10,000 Test runs|
|Mourinho unsure of Pogba fitness for Manchester derby|
|Marquez reigns supreme again at Circuit of the Americas as Vinales retires|
|Messi sets new record after ending his worst Clasico goal drought|
|Bale limps out of El Clasico|
|Guardiola: Manchester City struggled with Arsenal´s long balls|
|Galatasaray 0 Fenerbahce 1: Late Souza header seals Istanbul derby glory|
|I had to say a few words to the boys - Klopp|
|49 all out: RCB register record low in humiliating defeat to KKR|
|Nadal: I could never have dreamed of 10 Monte-Carlo titles|
|Montella expects battle for Europe to go to final game after Empoli loss|
|Bale shakes off injury to start Clasico, Alcacer replaces Neymar|
|Schalke 1 RB Leipzig 1: Huntelaar frustrates title contenders|
|Wenger: Sanchez is an animal and he will be at Arsenal next season|
|Bravo ruled out of IPL|
|Arsenal have answered the critics, says victorious Wenger|
|Liverpool 1 Crystal Palace 2: Eagles soaring to safety as Benteke stuns Klopp|
|Guardiola humbled by Sanchez but should resist tiresome transfer chase|
|PSV 1 Ajax 0: Locadia all but ends visitor´s title hopes|
|Hull, Wigan close in on Super League leaders|
|Rain postpones NASCAR Cup race at Bristol|
|Arsenal 2 Manchester City 1 (aet): Sanchez winner sends Wenger´s men into FA Cup final|
|Dyche unhappy with United goals|
|Fast start key as Clermont set up Saracens final|
|Mourinho confirms Ibrahimovic, Rojo face surgery on knee injuries|
|Rooney feeling strong after comeback goal|
|Victorious Valverde dedicates Liege-Bastogne-Liege win to late Scarponi|
|Toulouse 1 Nice 1: Favre´s men suffer hefty blow to title challenge|
|Lazio 6 Palermo 2: Keita nets five-minute hat-trick|
|Burnley 0 Manchester United 2: Rooney makes goalscoring return in Ibrahimovic´s absence|
|AC Milan 1 Empoli 2: Suso pays the penalty as Rossoneri´s European bid takes a hit|
|Nastase hit with ITF suspension|
|Amla follows up ton with match-winning half-century for Kings XI|
|Perfect 10 for Monte Carlo master Nadal|
|Everything has gone wrong - Icardi bemused by Inter woes|
|Daniel Wanjiru wins London Marathon, Mary Keitany sets women-only record|
|Stade book final spot as Lions reject Ford fluffs lines|
|Aston Villa 1 Birmingham City 0: Agbonlahor condemns Redknapp to derby debut defeat|
|Celtic 2 Rangers 0: McGregor, Sinclair down Old Firm rivals to keep Bhoys´ treble hopes alive|
|Sassuolo 2 Napoli 2: Milik rescues Sarri´s side after Hamsik howler|
|Rooney returns for United to replace injured Ibrahimovic|