There seems to be rain in the air so getting a banker lap in could be crucial.
The shootout for pole is underway at Mugello.
Vinales misses out as does Quartararo! It's Marquez and Miller who advance to Q2.
With yellow flags no longer an issue, Miller has overhauled Vinales for P2.
Raul Fernandez has crashed for the second time today after already losing the front-end in Practice 3
Miller, Quartararo and Vinales are all currently missing out on a Q2 spot as the final time attack runs are underway.
Wow! Marquez is flying as he goes four tenths clear of Morbidelli in second.
The first flying laps are in and it's Alex Marquez who leads with a 1m 45s lap time.
Q1 is underway at Mugello.
Fabio Quartararo, Jack Miller, Alex Marquez and Maverick Vinales are just some of the names going through Q1 which is up next.
That's it for Practice 3 as Bagnaia finishes fastest ahead of Luca Marini, Quartararo, Franco Morbidelli and Jack Miller.
Di Giannantonio has crashed for the second time this weekend - it's also a second fall at turn one.
Pit lane will open in two minutes for the final five minutes of Practice 3.
Huge crash for Augusto Fernandez at turn 14. The rookie is fine but his bike has been completely destroyed.
There we go! Quartararo goes second fastest although Bagnaia is on course to improve.
Bagnaia may be hobbling off the bike but it's been smooth-sailing so far in P3 for the Italian. His race pace is very, very impressive.
Less than a second off top spot but Quartararo is down in 19th with just under ten minutes remaining.
Bagnaia still leads from the two Pramac Ducatis and Alex Marquez.
Brilliant lap from Bagnaia as the world champion goes quickest by nearly four tenths.
Miller goes quickest momentarily before Alex Marquez puts his Ducati on top with a time of 1:46.779s.
After a strong Friday, Fernandez has given his Aprilia team quite a bit of work to do after losing the front-end.
Lap times are already competitive as Bezzecchi comes close to breaking into the 1m 46s barrier. He leads from Johann Zarco and Fabio Quartararo at the moment.
Francesco Bagnaia heads into P3 fastest from Marco Bezzecchi.