MacAnthony saluted the Blues Faithful, as a crowd of 4,077 supporters arrived to witness their 2-0 victory over his side.
The Peterborough owner said: “It was great to see fans back - even the Portsmouth fans.
“It was a good game and a good test.
“Well done Portsmouth and their fans - great to hear you cheering for your team.”
Supporters were making their return for the first time since last December, with the crowd the largest seen at the stadium since March 2020.
1. Sheffield United join race for Wigan-linked midfielder
Sheffield United have joined the race to sign St Mirren’s Jamie McGrath. Wigan Athletic are said to be keen on the midfielder after having a £300,000 bid rejected earlier this month. (The 72) Photo: Ian MacNicol
2. Ipswich Town suffer blow in pursuit of Middlesbrough man
Middlesbrough boss Neil Warnock has confirmed that Hayden Coulson won’t be leaving the club just yet. The 23-year-old is wanted by Ipswich Town. (The 72) Photo: Clive Brunskill
3. Bradford City snap up former Rotherham United striker
Bradford City have made Northern Ireland under-21 international Caolan Lavery their ninth signing this summer. Lavery, who had a loan spell with Rotherham United, joins from Walsall. (The Yorkshire Post) Photo: Jacques Feeney
4. Gillingham striker “not short of offers” after being transfer listed
Transfer offers have been made for striker John Akinde but the player is holding out for a deal that’s right for him. Southend United are one club keen to open contract talks with the player. (Kent Online) Photo: James Chance