The Giants called up infielder Matthew Duffy and outfielder Jarrett Parker from Double-A Richmond Friday, following the releases of Dan Uggla and Tyler Colvin. Both players will be making their major-league debut when they get on the field for the first time.
Parker is hitting .275/.368/.463 in 99 games with Richmond, while Duffy was hitting .332/.398/.444 in 97 games.