The Poland international referred to the Premier League duo when questioned on a possible move abroad.
Tim Sherwood believes Petrov has the character and ability to make a comeback, but will need a manager who knows how to handle him.
Everton lost to Manchester United on Saturday in the FA Cup semi-final as their season continues to disappoint.
The former Netherlands midfielder insists the Hoops are "nothing" when they do not have their Glasgow rivals to contend with.
The 18-year-old midfielder is reportedly being tracked by a host of top European clubs.
Stars from Tottenham Hotspur, Leicester City, Manchester City, Manchester United and Stoke City make the cut.
Former Liverpool midfielder Dietmar Hamann has no sympathy for the Reds defender, who has failed a drugs test.
Watmore has been a bright spark for Sunderland this season.
Liverpool made it through to the semi-finals of the Europa League in dramatic fashion with their quarter-final victory over Borussia Dortmund.
The on-loan Hammer won more awards than he could carry at Bradford City's end of season awards ceremony.
The 22-year-old found the net in what was a wonderful 4-1 win over Manchester City at Saturday lunchtime.
Alan Shearer was pleased to see Harry Kane score for Tottenham Hotspur in the Premier League on Saturday.
The former midfielder believes the Gunners man is learning how to play the striker role after being employed there by Arsene Wenger.