Clint Eastwood originally hinted that the 2008 film Gran Torino (2008) would be his final acting role (although he would continue to direct). Filmmakers got him to change his mind and come out of acting retirement to accept this one.
According to the production notes, "To ensure a sense of realism on the playing field, Lorenz also hired baseball coordinator Aimee McDaniel to help organize, choreograph and rehearse the athletes, and train the actors to look like players, even Amy Adams". Director Robert Lorenz has said: "Aimee came to Georgia and basically recruited all the different teams and help we needed. She did a great job, so that was one aspect of production I didn't have to worry about. Everybody knew what they were doing and they were all good players...or at least looked like they were".
During the game of pool with Rick(Dick) Micki runs the table shooting the Solid balls. After the altercation where Gus threatens Rick, Micki is preparing to storm out of the Boots Bar she throws her cue onto the table. Anyone who regularly plays pool even in anger wouldn't disturb another pair's game so this must be her table. One of the balls remaining on the table is the orange 5 ball - a solid.
At Ted Turner Field, before Rigo Sanchez pitches to Bo Gentry, a bunch of advertisements are seen, including one for a lottery. The amount up for grabs is $540 million. Then when Mickey goes to talk to Rigo, the same sign is seen behind him, and it now says $500 million.