Player: Ellis Burks
Year: 1990
Brand: Topps
Number: 155

Player: Frank Rodriguez
Year: 1994
Brand: Topps
Number: 112
Comments: Topps never was very good at identifying future stars. 

Player: Mike Greenwell
Year: 1993
Brand: Score Select
Number: 228

Player: Damon Berryhill
Year: 1994
Brand: Flair
Number: 259

Player: Dana Kiecker
Year: 1991
Brand: Donruss
Number: 347

Player: Danny Darwin
Year: 1992
Brand: Topps
Number: 324

Player: Scott Hatteberg
Year: 1993
Brand: Bowman
Number: 87

Player: Kevin Romine
Year: 1990
Brand: Upper Deck
Number: 441

Player: Dennis Lamp
Year: 1990
Brand: Donruss
Number: 423

Player: Wade Boggs
Year: 1991
Brand: Score
Number: 393

Player: Oil Can Boyd
Year: 1990
Brand: Donruss
Number: 476

Player: Tony Fossas
Year: 1992
Brand: Stadium Club
Number: 144

Player: Tony Pena
Year: 1991
Brand: Donruss
Number: 456

Player: Red Sox Leaders
Year: 1986
Brand: Topps
Number: 306

Player:Ellis Burks
Year: 1991
Brand: Score
Number: 8

Oldest player to have a season OPS above 1.000

In 1960, Ted Williams posted an OPS of 1.096. He was 41 years old.

note: For the sake of sample size, I only included batters with more than 200 at bats in my query. Williams had 310.