Gyorko is recovering from plantar fasciitis. He's still expected to be a few weeks away from a return. Gyorko is hitting .162/.213/.270 over 204 at-bats.
Phillips suffered the injury Wednesday when he landed awkwardly while fielding, and further examination Thursday revealed the extent of the injury. He will miss eight to 12 weeks while recovering from the injury, possibly putting him out through the end of the regular season.
Phillips had appeared in 86 of the team's first 91 games prior to the injury, batting .272/.308/.392 in 334 at-bats.
According to the report, Phillips is expected to miss significant time, with a ligament issue in his left thumb. It is possible the ligament is torn, though that has not been confirmed at this point.
Phillips suffered the injury during Wednesday's game, when he rolled awkwardly while making a defensive play. Phillips is hitting .272/.308/.392 for the season.
Walker scored the Pirates only two runs of the game, as he came around each time he made it on base. Walker finished the game 2 for 4 with a double and a solo home run, his first since June 3.
Walker is hitting .279/.347/.448 with 12 home runs and 39 RBI in 77 games this season.
Neither Billy Hamilton (hamstring) nor Brandon Phillips (thumb) is in the lineup for Thursday's series finale. Both were forced to leave Wednesday's game as a result of their injuries, and they remain day to day at this point.
Adrianza, who takes the roster spot of Juan Perez, had been sidelined since June 21 while recovering from a hamstring strain. He returns to a .213/.259/.267 line in 75 at-bats.
Utley has collected two hits in three straight games, knocking two home runs and driving in six runs during that stretch. He owns a .294/.351/.453 line with eight home runs and 46 RBI in 340 at-bats.
X-rays on the injured thumb came back clean. Phillips suffered the injury diving for a ball in the eighth inning of Wednesday's game. He went 2 for 3 with an RBI in Wednesday's win. Phillips has hit .272/.308/.392 with seven home runs and 40 RBI in 334 at-bats.
Scutaro is getting Wednesday off and is scheduled to play nine innings with Triple-A Fresno Thursday before a potential return Friday. He has yet to play this season while recovering from a back injury. Manager Bruce Bochy said Wednesday that Scutaro is scheduled to be activated Friday or Saturday, according to multiple reports.
Hill has even been linked to a trade with the Blue Jays. He played for Toronto from 2005-11 before he was traded to Arizona in Aug. 2011.