Test centre Brent Tate came through his first match in almost a year unscathed as the Warriors rounded out their NRL trial campaign in a 16-all draw with Manly on Saturday night.

A late addition to the squad, Tate played the first and last 20 minutes at North Harbour Stadium in his comeback from a second knee reconstruction in three years.

Tate's season-ending injury, suffered against former club Brisbane in round three last year, was a key factor in the Warriors' disappointing 2009 campaign and coach Ivan Cleary was thrilled to have him back.

"(It's) really good for him to tick that one off and it elevates a lot of doubt when you don't play for that long," Cleary said.

Tate said his troublesome knee came through "without any trouble at all".

The injury news wasn't so pleasing for the Sea Eagles, with new recruit Joe Galuvao in doubt for the start of the season after suffering "severe concussion" in a head clash with Russell Packer.

The former Parramatta forward was forced from the field in the first half, with coach Des Hasler confirming he was in doubt for the Sea Eagles' season opener against Wests Tigers on March 15.

"The only bad injury was Joe, he's got a severe concussion," Hasler said after the game.

"He's got at least two or three weeks out, but we won't know until we get some scans done."

Both sides enjoyed a strong pre-season hit-out in front of more than 17,362 fans, the club's second successive trial crowd over 17,000.

New recruit Jeremy Latimore scored with four minutes remaining to ensure the Warriors head into the new season on the back of an undefeated pre-season campaign.

The Sea Eagles held a 16-10 lead in the second half thanks to a try from George Rose and a double from winger Michael Robertson.

"I'm always happy to get over the line but we were scrappy today," Robertson said.

"Both teams needed the hit out before we get into the season.

"(The Warriors) are always very physical, skillful side and always one of the tougher teams to play ."

Sea Eagles star Anthony Watmough had another strong match, causing constant headaches for the Warriors' defence.

The Kiwi side crossed earlier in the game through hulking winger Manu Vatuvei and utility Joel Moon.

The Warriors open their season against the Gold Coast at Skilled Park on March 14.

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