Goals from James Clarke, who scored his second spectacular goal in a week, Elijah Adebayo, who netted his first goal in a Saddlers shirt, and winger Wes McDonald, who was in superb form against the Red Devils, proved to be enough to secure the win for the Reds despite Ashley Nathaniel-George and Josh Payne netting for the home side.
Manager Clarke, who has now seen his side defeat Morecambe, Scunthorpe United, and Crawley in a little over a week, admitted that he was a little frustrated with his team's first-half display, despite leading by three-goals-to-one at the interval.
The Mansfield-born boss revealed that he gave his team a talking to at the break and thought they were better during the second forty-five, even though they conceded a late goal, giving the home side a glimmer of hope with just moments remaining.
Speaking to both BBC WM and the Express & Star, Darrell said; "Obviously pleased with the win, a great strike from Clarkey to get us off the mark. I thought we were very sluggish first half to be honest.
"I had a go at them at half-time even though we scored three goals. I wasn’t particularly happy with the first-half performance and how we were looking.
"The pitch was very long, very heavy, it was a lethargic, weird sort of game for me. Score three goals, obviously very pleased with that, but I had a go at them at half-time.
"But I thought second-half we saw the game off very, very professionally, defended when we had to, it’s a pleasing win for us."
When asked about James Clarke, who has now scored as many goals for the Saddlers as he managed in total during his pre-Saddlers career, Darrell said; "I’m getting worried about him to be honest, I really am.
"The thing that pleases me the most is the defending in the last 10 minutes, stopping crosses coming in, that’s why I played him at right-back today. I thought they would have started with the boy Lubala so I played him there today to nullify him.
"He has seven, eight goals this season and looked a threat but I thought we defended superbly against him second half when he came on. That pleases me more than the goal to be honest."
The Saddlers are next in action on Tuesday evening as they play host to Southampton's Under-23s in the group stage of the Leasing.com Trophy.