Rory McIlroy's aggressive approach to playing Augusta National—save for that ill-fated layup Sunday on No. 13—helped him finally claim that elusive first green jacket to complete the career Grand Slam.

So, it's understandable to learn that McIlroy wasn't talkative with his playing partner in the final round. He was there to compete — not make friends. Yet, in a post-match interview, DeChambeau seemed somewhat frustrated with how McIlroy went the full round without speaking to him.