Yes once fully healthy with Springer, they have positional depth with Merrifield, Biggio, Espinal (one of them starting at 2B), Tapia (-0.2 WAR), Collins, Zimmer (-0.3 WAR). Tapia and Zimmer have both been negative WAR players and playing them over a long period on a consistent basis hurts the team more than helps, though yes as much I would love an upgrade, you can live with them as a 4th or 5th outfielder when everyone is healthy. Zimmer actually posted a 1.4 WAR last season, so when utilized right he's valuable. The Merrifield trade definitely helped with roster depth since he can play CF when Springer is DHing or out of the lineup with Biggio/Espinal playing 2B, or Merrifield plays 2B on a more regular basis.
Back in May when the Jays were missing Lourdes and Teo, Jansen, Springer on and off as well, Biggio was in the minors still figuring stuff out, that is when you really saw the Blue Jays depth tested. Most posters on here were having panic attacks. Kind of funny how now most have forgot that now since the Jays lineup is pretty much at 100% (outside of Springer). Though I'm sure if the lineup suffers an injury or two where someone is out for two-three weeks, people will be crying and wishing the Jays had more roster depth.
Additionally, we've already seen the rotation losing Ryu and now Stripling, the rotation is quite thin if they lose another arm especially someone like Gausman or Manoah. If they lose one of their top arms for 3 or 4 starts or longer, that will be tough to overcome.
As for the bullpen, I applauded the Bass and Pop trade and said both arms are upgrades to the pen. All I was saying is that during the offseason it felt like the Blue Jays FO somewhat neglected the BP and roster depth and during the offseason that's when its best bringing those guys in whether on MLB deals, or even minor league deals. Whereas at the trade deadline, you're always paying a premium. The Jays don't have a strong bullpen like they did in 2015, so I'm a bit skeptical of this bullpen pitching 3 or 4 innings in a close game against a top team, especially on the road. Though regardless, it's still decent and Atkins made solid upgrades with Bass and Pop like I said.
The Blue Jays have probably their best core in place since the 1992/1993 World Series since most guys are still young, in their prime or just entering their prime and under club control still for the next couple of years. I don't think you or me or other posters want to see the Blue Jays miss the Postseason again this year by only one game. I definitely think this roster can succeed in the Postseason, though it's just a matter of getting there. If this club is healthy and there is no significant losses in the rotation or lineup, they should easily get there.