Rizzo posted a photo of himself and new fiance Emily Vakos on his Twitter just before 10 p.m.
"The Luckiest guy in the world! She said YES. Future Mr. & Mrs. Rizzo," he wrote as a caption.
Luckiest guy in the world! She said YES. Future Mr. & Mrs. Rizzo 💍 pic.twitter.com/93YPymdoJU— Anthony Rizzo (@ARizzo44) June 2, 2017
The photo shows the couple with Lake Michigan and the Chicago skyline at sunset in the background.