Hall, 32, is batting .222/.269/.381 with two home runs and seven RBI in 15 games with the Tides after signing as a minor league free agent on April 25. He had a nine-game hitting streak, April 28-May 6. Hall set career-highs with 35 home runs and 85 RBI in 2006 with Milwaukee. He will wear uniform number 35.
Reynolds, 28, is batting .191/.324/.337 with two home runs and nine RBI in 27 games for the Orioles this season. He has hit safely in five of his last seven games, batting .348/.484/.739 with five extra-base hits in that time.
To make room for Hall on the 40-man roster, the Orioles designated RHP BRAD BERGESEN for assignment.