"They're two different sets of players but we're one club," he told BBC Radio Solent.
"The performances need to echo consistency, week-in-week-out regardless of who they are.
"A win would have been getting away with it. In the second half we were a lot better but we couldn't hold on and they deserved to win.
"I don't think, Dan Gosling apart, that I will have selection issues. He kept going, led by example.
"I believe in the players but that didn't show."