It completed an unbeaten Tour after a trio of testing friendlies against MLS sides Seattle, Toronto and now Fire.
"I'm very pleased for the players because we've finished with a good win, a clean sheet and that's a boost for the confidence," Pochettino told the Spurs website.
"It was difficult in the humidity but well done to the players, it was a good game out there. I'm happy for all of them. I thought we played well.
"We've worked hard on this Tour and congratulations to the players, staff and the supporters, they've been fantastic."
For the big stories and the banter follow us on Twitter: @tribalfootball