Mercedes drivers Valtteri Bottas and Lewis Hamilton, in that order, claimed the top two spots at the end of free practice three for the Qatar Grand Prix. The Finn picked up where he had left off in second practice while the Brit recovered from his Friday pace woes.Red Bull F1's title contender Max Verstappen was third-fastest in the final practice session before qualifying gets underway at the Losail International circuit.Bottas’ quickest lap was clocked at 1 minute 22.310 seconds, 0.078 seconds quicker than Lewis Hamilton and 0.310 up on Verstappen.Formula 1@F1Hamilton has the slight edge over Verstappen 👀Bottas fastest overall ⏱#QatarGP 🇶🇦 #F15:09 AM · Nov 20, 20213231194Hamilton has the slight edge over Verstappen 👀Bottas fastest overall ⏱#QatarGP 🇶🇦 #F1 https://t.co/G4LUwkHB3nAlpha Tauri driver Pierre Gasly was fourth-fastest, down from his Friday classification of second. However, the Frenchman has maintained consistent form in the top five in all sessions so far. The former Red Bull F1 driver was followed by Sergio Perez, who was fifth-fastest in the session.Ferrari driver Carlos Sainz set the sixth-best time and was followed by Alpine F1 drivers Fernando Alonso and Esteban Ocon in seventh and eighth respectively. Sainz's teammate Charles Leclerc was ninth fastest and was followed by Alpha Tauri rookie Yuki Tsunoda in 10th.Formula 1@F1🏁 END OF FP3 🏁Mercedes look strong heading into qualifying#QatarGP 🇶🇦 #F15:33 AM · Nov 20, 20214850534🏁 END OF FP3 🏁Mercedes look strong heading into qualifying#QatarGP 🇶🇦 #F1 https://t.co/p6KJBcqwyVWhile Bottas and Lewis Hamilton had comfortable starts to the free practice session, Red Bull F1 seemed plagued by rear wing issues, particularly on Verstappen’s car. Most of the drivers were seen coming out late in the session, in an attempt to run their cars when the temperatures dropped.Mercedes could sacrifice Valtteri Bottas in qualifying to provide Lewis Hamilton with towDue to the unique nature of the Losail circuit, the proposition of an aerodynamic "tow" factors into qualifying, where running behind another car provides a speed boost to the trailing car. This is due to the trailing car not being subject to as much drag as the leading car. Using this arrangement, teams could be seen sacrificing one driver to benefit the other in the session.Mercedes-AMG PETRONAS F1 Team@MercedesAMGF1That's your lot for #QatarGP practice! 💪 Ending #FP3 at the top of the timesheets 👊5:32 AM · Nov 20, 20215574361That's your lot for #QatarGP practice! 💪 Ending #FP3 at the top of the timesheets 👊 https://t.co/ppVWjvPAQGAlthough the smooth flat track in Qatar suits Bottas, it wont be a surprise if Mercedes sacrifice the Finn's prospects in order to help Lewis Hamilton with a tow. While Mercedes are quick in the first and third sectors of the circuit, which comprises of straights, they are losing significant amounts of time to Red Bull F1 in the second sector, which is made up of faster corners.The full results of the FP3 ahead of the Qatar Grand Prix are as follows:POSNODRIVERCARTIMEGAPLAPS177Valtteri BottasMERCEDES1:22.31017244Lewis HamiltonMERCEDES1:22.388+0.078s16333Max VerstappenRED BULL RACING HONDA1:22.651+0.341s10410Pierre GaslyALPHATAURI HONDA1:22.835+0.525s17511Sergio PerezRED BULL RACING HONDA1:22.846+0.536s14655Carlos SainzFERRARI1:23.048+0.738s17714Fernando AlonsoALPINE RENAULT1:23.186+0.876s13831Esteban OconALPINE RENAULT1:23.209+0.899s18916Charles LeclercFERRARI1:23.276+0.966s171022Yuki TsunodaALPHATAURI HONDA1:23.567+1.257s20113Daniel RicciardoMCLAREN MERCEDES1:23.711+1.401s14125Sebastian VettelASTON MARTIN MERCEDES1:23.884+1.574s17134Lando NorrisMCLAREN MERCEDES1:23.895+1.585s161463George RussellWILLIAMS MERCEDES1:23.923+1.613s171518Lance StrollASTON MARTIN MERCEDES1:24.154+1.844s17167Kimi RäikkönenALFA ROMEO RACING FERRARI1:24.246+1.936s191799Antonio GiovinazziALFA ROMEO RACING FERRARI1:24.288+1.978s17186Nicholas LatifiWILLIAMS MERCEDES1:24.499+2.189s151947Mick SchumacherHAAS FERRARI1:24.680+2.370s20209Nikita MazepinHAAS FERRARI1