According to Matt Barrows' podcast interview, the 49ers may be showing some interest in quarterback J.T. O'Sullivan and linebacker Dontarrious Thomas.

O'Sullivan, originally drafted by the Saints, has also been on the Packers, Vikings, Patriots and Panthers. He spent last season with the Lions, Mike Martz's old team. Last season, he completed 13 of 26 attempts for 148 yards, one touchdown and 2 interceptions.

Thomas has spent four seasons with the Vikings. He has 143 tackles and 1.5 sacks during those four seasons.

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