I'm backing Flamengo to win this one at 1.89. Vasco sit 13th with 38 points, fighting to escape the drop zone. Flamengo lead the table with 70 points, one clear of Palmeiras, and they've come to Rio de Janeiro to protect that position. On paper this looks like a mismatch, but I respect Vasco's home record enough to explain why the away side still wins.
Flamengo's attack is the difference. They've scored 64 goals in Serie A, the most in the league, and conceded just 27. On the road they're 9-4-3 across 16 games with a 32:15 goal difference. Vasco have shipped 0.80 goals per game at home over their last ten, which is solid, but Flamengo's firepower and Arrasaeta's return from wrist surgery tilt this firmly toward the visitors. I see Flamengo's depth in attack as decisive here.
Form and H2H
I've looked at the last six meetings between these sides and Vasco haven't won once: three draws and two losses. That's a pattern I can't ignore. Flamengo won 1-0 at home in 2012 and 1-0 away in 2013. The draws came in 2011 and 2012, with both teams canceling each other out. I don't expect that to happen this time because Flamengo have too much attacking talent on the pitch.
Over their last ten games, Vasco are 6-2-2 with 1.60 goals for and 0.80 against. Flamengo away are 6-4-0 with 1.60 goals for and 0.70 against. I notice Flamengo haven't lost on the road in this stretch, and that's the form line that matters most to me. Vasco's home wins have come against weaker opposition. Flamengo are the league leaders for a reason.
Best bet
I'm taking Flamengo at 1.89 on the 1X2 line. My read is that Vasco will press early and hard at home, but Flamengo have the composure and attacking options to weather that and pick them apart on the break. Gomes' foot injury is a real problem for Vasco's wing play, and Carrasqueta's suspension limits Flamengo's depth, but I rate Pedro's 16 Serie A goals and Arrasaeta's return as more valuable than what Vasco lose.
I price this at around 55 percent, which gives me an edge at 1.89. The away side's unbeaten run on the road and their head-to-head record against Vasco seal it for me. I'm comfortable with this price and the risk-reward here.
Odds to watch
I'm steering clear of the Over 2.5 at 1.82. Seven of the last ten meetings finished with two goals or fewer, and while Vasco average 2.75 goals at home and Flamengo 2.94 away, the pressure of a derby and Flamengo's defensive discipline will keep this tight. I'd rather take Under 2.5 at 2.03 if I'm playing the total.
Both Teams Score at 1.68 is tempting given Vasco's home record, but I think Flamengo's back line will be too organized. The Asian Handicap -0.25 for Flamengo at 1.64 is another angle if you want to reduce the odds and still back the away win. I'm sticking with the straight 1.89 pick.

