The Hall of Famer known as ''Mr. Cub'' died in January at the age of 83.
A pregame ceremony and moment of silence are planned along with other tributes throughout Sunday night's game at Wrigley Field.
Banks' sons, Joey and Jerry, will throw out the ceremonial first pitches and lead the 7th inning stretch.
The Cubs said in a news release Tuesday that the team will wear No. 14 patches on their home and away jerseys all season.
Fans at Sunday's game will receive commemorative No. 14 pins.