There's only Ferrari and Mercedes that he could ever consider, but now here (Mercedes) that's unlikely.
However, his team also warned the 20-year-old, who crashed again in practice, to keep his overtaking clean for the rest of the race.
"Absolutely incredible, I don't know how you did that, Daniel", said engineer Simon Rennie.
"This is two years in the making so I finally feel like the redemption has arrived". It's the first race this season where the McLaren driver has failed to pick up points. I felt power loss and I thought the race was done.
"From a racing driver's point of view, we just weren't ever pushing", said Hamilton. Couple this with the difficulty required to make a pass in Monaco and you get exactly the kind of race we had on Sunday.
Finishing in second place ahead of Hamilton means that Vettel has closed the gap in the drivers championship to just 14 points.
"Congratulations to Daniel", said Hamilton. "We knew that would be the case". While the Hyper was mighty in qualifying to generate a sub-71 second lap on the two mile series of corners, none of the compounds turned into a proper race tyre. Daniel had the answers at all times. We're not sure how strong do Liberty Media want the flavour of "suspense" to be as they go all out in selling their (our too!) sport.
The former champions use Renault units but have been linked to Honda, now with Red Bull-owned Toro Rosso, for 2019.
"I had half the power it seemed and I felt like it was going to come to a stop", said Ricciardo, who notched his second win of the season and seventh of his career.
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"The tyre's bad", said Hamilton, who led Bottas in to pit for new hyper-softs. Hamilton was struggling with excessive tyre wear.
"I've got loss of power, " the 28-year-old suddenly announced on the team radio, and immediately began limping the vehicle around the track about 30km/h slower than his previous speed.
"We can see what's going on", Red Bull responded by radio.
"I think we probably need to give something to the fans at the end of the race just to pay the ticket back a little".
"I felt it (offering the shoe) would have been controversial, so best not".
By lap 32, Ricciardo's lead was down to 1.2 seconds with Hamilton nine seconds adrift in third.
"I think I can show more emotion today than yesterday", Ricciardo said.
By lap 50, they were separated by only 2.6 seconds. Stroll would soon develop a puncture as a result of contact with Ericsson, and the Ricciardo-Vettel parade would have to dodge him on lap 10. Sebastian Vettel (GER/Ferrari) at 7.336sec, 3. Ricciardo would pit after lap 16, Kimi Räikkönen following, and emerge still in the lead. Valtteri Bottas (FIN/Mercedes) 18.822, 6. Pierre Gasly (FRA/Toro Rosso) 24.331, 8. Would Max Verstappen do something rash? He got punchy with Carlos Sainz in the works Renault when necessary, and the rest was smart driving. Stoffel Vandoorne (BEL/McLaren) 1 lap, 15.