The 27-year-old scored an exquisite solo goal in Wednesday's 3-2 win at Southampton, racing forward and cutting past the sliding Dejan Lovren before coolly slotting home.
"We have a number of players who could be in with a chance not just me and Gabby," Delph said.
"Matthew Lowton, Ashley Westwood and others but for us it is all about performing at club level.
"Gabby has shown everything [against Southampton]. He showed pace, led from the front. Agbonlahor playing up front is scary for any centre-back in the world, let alone in the Premier League.
"He was brilliant and it was nice to see him out there. It was like seeing him two or three years ago when he was playing up front week in, week out and giving defenders a hard time.
"He is a close friend of mine as well, so it was nice to see him get a goal and it was good to get the assist for it.
"If something like that was to happen then that would be great.
"I would never question anyone's selection, though. If I am selected to play then I would go and give 100 per cent. If not then I will keep trying to perform for my club."
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