Cubs, Ian Happ reach terms on a multi-year contract extension - Marquee Sports Network
What would an Ian Happ contract extension look like? - Bleed Cubbie Blue
Ian Happ Contract
Have you missed the Cubs or even noticed they went away? The state of the team as the lockout drags on - The Athletic
Why Ian Happ's extension is a win for both him and the Cubs: 'I love this place' - The Athletic
Cubs sign OF Ian Happ to 3-year extension worth $61M, sources say - ESPN
Ian Happ, Cubs Agree to 3-Year Contract Extension Worth Reported $61M, News, Scores, Highlights, Stats, and Rumors
Ian Happ, Cubs agree to 3-year extension
Cubs' Ian Happ on verge of $61 millioon contract extension