Former MLB player Dave Concepcion throws the ceremonial first

Retro Recap (1972): Oakland A's bench fuels walk-off win in Game 4 - Athletics Nation

Rox Sweep Rochester, Twins Fall to Rangers Late

Cincinnati Reds: Dave Concepción is still missing from the Hall of Fame

1976 Big Red Machine reunion

291 Dave Concepcion Photos & High Res Pictures - Getty Images

The Farewell Weekend in St. Louis That I'll Never Forget [PHOTOS]

Reds shortstop Dave Concepcion will miss the rest of the season after fracturing the fibula of his left leg sliding into third base - This Day In Baseball

Baddoo and Greene hit HRs, Tigers beat Marlins 5-0 – The Oakland Press

Corky Miller gets some company at Slugger Field