Merson, who has tipped Liverpool to win 3-1 on Monday, admitted he has been disappointed with Pogba's contribution and would rather have Henderson in his team.
ace 16 purecontrol red When asked who he'd pick, he said on Soccer Saturday's Super 6 Facebook Live: "Today, Jordan Henderson.
"Over the next 10 years, I don't know - it probably should be Pogba considering how much money they spent. Henderson has been as good as anybody in the Premier League. Credit where credit is due, he's been outstanding. Pogba has been struggling."
Profiles Paul Pogba Jordan Henderson
Wayne Rooney has endured a miserable few weeks for club and country as has found himself relegated to the substitutes' bench.
Rooney has not started for United since their 3-1 defeat to Watford on September 18, but Merson believes the 30-year-old should start at Anfield in order to take the pressure off Pogba.
"I would play Rooney in this game," he added. "Jesse Lingard has just played two international football matches - that can be very draining. He's a young lad. If you put Rooney in this game it would take a lot of pressure off Pogba.
X 16.1 sliver fg "If Rooney's on the bench, then all eyes are on Pogba. For all that money, he hasn't performed yet. He's been nowhere near any good. If Manchester United lose, then he'll come in for some big criticism."
tiempo legend white Manchester United kicked off their league campaign this season with three straight wins under Jose Mourinho, but slumped to back-to-back defeats against Manchester City and Watford.
new soccer shoes They are currently in sixth place in the Premier League with 13 points after seven matches and Merson hasn't been impressed with Mourinho's start to life in Manchester.
"I'd give him 5/10 - it's been middle of the road," he added. "Last week [against Stoke] Mourinho said it was the best they've played - but only for 20 minutes.
mercurialx black "They should have been out of sight and won 7-0. But after they scored, they didn't look like scoring. It fizzled out. They haven't been great. I still don't think Mourinho knows what his best team is going to be."