Eriksson urged to pick Defoe, Seaman
West Ham and England Under-21 striker Defoe, 19, tormented Arsenal's national team defensive trio Sol Campbell, Ashley Cole and Seaman in an action-packed draw at Upton Park.
England assistant coach Tord Grip is believed to have been in the crowd of 35,048, and must have been impressed by Defoe's excellent performance full of lively running, quick turns and clever skills.
Eriksson has revealed new names will be in his squad for the Villa Park clash with the Portuguese.
"If the England manager feels Jermain is ready and selects him for the next squad, I'll trust him on that," Roeder said.
"Jermain's a very, very mature 19-year-old and his feet are still firmly on the ground," he said.
"Being at Lilleshall helped him, as the school there isn't just about football it teaches players about being rounded human beings."
Roeder is determined to protect Defoe from the hype he feels has hampered Joe Cole's emergence onto the England scene.
The 20-year-old midfielder, who scored a stunning curler, hopes to be in Eriksson's squad, along with Michael Carrick, 21, who performed miracles in keeping Patrick Vieira relatively quiet.
Roeder added: "The hype ran ahead of Joe Cole, although I tried to head it off.
"That meant Carrick was allowed to develop in his own time, under the umbrella of Joe Cole.
"Now I'll protect Jermain from hype and publicity as I always believe you shouldn't give anyone a reason to want to beat you."
Seaman, 39 next month, conceded goals by Cole and Frederic Kanoute and also made a bizarre error of judgement which almost allowed a Trevor Sinclair-strike to beat him. However, he also saved a penalty and several shots by Kanoute to keep the Gunners in the game.
Wenger believes the veteran shot-stopper, who signed a one-year contract extension with the Gunners last month, will still be Eriksson's number one, despite his World Cup howler against Brazil and the alarming error of judgement against West Ham.
"I think Seaman's still there in Sven's mind," he said.
"I think he is still number one."
Wenger came up with an extraordinary explanation for Seaman not attempting to save Sinclair's thumping 20-yard drive, with television replays clearly confirming the keeper believed the shot was going wide.
It hit the inside of his post and rebounded across the goalmouth.
"Seaman was late, but I believe he had a great reaction," Wenger said.
"He saw he couldn't get the ball and took his arm away. If he'd kept his arm there, it could have hit it and gone in."
Wenger, whose side face Chelsea in another London derby at Stamford Bridge on Sunday, will assess the fitness of Dennis Bergkamp this week.
The boss said of the Dutchman, withdrawn at half-time: "He injured his calf. It doesn't look like a strain but we'll have to be more cautious now."
Roeder, whose team have another capital clash against Charlton on Saturday, will have Paolo di Canio back after his foot injury in "seven to 10 days".
The Hammers manager demanded his team show the tremendous work rate on show against Arsenal in every away game this season as they attempt to improve their woeful record on the road.
"That's the benchmark we've now got to sustain, particularly away from home," Roeder said.
"Last season, we got 40 points at home which is championship form. But we only got 13 away, and you know what sort of form that is.
"It's not down to the ability of the players...It's obviously a mental block that we have to overcome."
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