I've nominated #1 for POTM, September, 2017.
The light, the pose, the colors, the patterning, all working together. The choice of wearing that shirt and jacket with the Ace of Spades was brilliant. The man's face and hand form point/counterpoint, which is similarly echoed in the color and pattern of the shirt and jacket working with the same on the card.
Well...there you go!! Pretty doggone good for your first time using a softbox. Personally, I LIKE the way using just one softbox or one umbrella can look in smaller, indoor rooms like the one above. Using a plain wall as a background can work wonderfully. As braineack mentioned,the texturing of the drywall and any wall imperfections must always be kept in mind when shooting indoors in a place like the one above; what I have found over the years is that it's important to be aware of the subject-to-background distance and the focal length and f/stop used when a textued interior wall is being used as the background. If the subject is far enough away from the wall, and the f/stop and subject-to-wall distance is all "right", then the wall can look a lot like seamless paper. However, if the subject is pretty close to the wall, or the focal length is short and thus a fairly wide-view of the body is how the shot is framed, or the lens focal length is short (or any combo of these factors exists), then the wall will show its texture or imperfections.
Shooting at 35mm from say 10 feet at f/8 versus shooting at 85mm at longer range at f/4 will make different wall renderings! When you are in-close and short focal length and small f/stops, the wall can "show up" too much at times.
The thing is though, the light fall-off and how the light hits the subject AND how it hits the wall behind; all of these things can be controlled by the photographer, and at times, the fall-off from liht to dark can make for a good 3-D POP! feeling of the subject abaginst the background. So, a hairlight or a separation light or accent light might not be needed at all. Hairlighting often looks "worked" or "strained", or when done badly, a hairlight might scream out "Multiple lights were used for this photo!".
You did pretty well.