The 35-year-old midfielder had considered quitting at the end of the season but after helping Pompey to the First Division title the former Arsenal and Aston Villa midfielder is seriously considering a final season in the Premiership.
"I will go away with my lovely wife and think about it but I think it would be silly not to come back for one more year, Merson told Sky Sports after the 3-2 win over Rotherham.
"It's an honour, look at those fans, they are different class. I feel very honoured.
"As Dave Jones says, anybody beats anybody in this division but we have been the most consistent and that was the difference."
ROTHERHAM MATCH REPORT