From choosing a Manchester City and Chelsea combined XI without Kevin de Bruyne, producing horrific score predictions on the regular and admitting to knowing nothing about Scottish football, Merson has done it all.
"People say he (Redknapp) is a wheeler-dealer and it's so disrespectful", said Merson, who played under both Wenger and Redknapp during his career.
The Sky Sports pundit played under Redknapp during a stint in the Championship with Portsmouth, during which the duo secured promotion to the Premier League after beating the odds to finish top of the table.
Social media was quick to respond with laughter and bemusement at Merson's comparison of three-time Premier League and seven-time FA Cup victor Wenger with Harry Redknapp.
'Tactically, he's one of the best I've worked with.
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Likely augmented by their previous coming together in 2014, it's fair to say the Frenchman didn't go easy on Merson.
Redknapp is now unemployed after a disastrous start to the season with Birmingham saw him leave the Championship club following six straight defeats. People who have managed altogether zero games, they teach everybody how you should behave. "I tried. I'm not interested in him".
The 67-year-old signed a new two-year deal at Arsenal at the end of last season after finishing fifth in the league.
Merson, meanwhile, is set for a return to football on the pitch with Welsh fourth-tier side Caerau.