Aroldis Chapman, Andrew Miller pick up Dellin Betances as Yankees roll out big three – New York Daily News
Chapman, Yankees reach deal for $86M over 5 years, AP source says
Miller and Betances keeping batters off balance
Bleeding Yankee Blue: ANDREW 'MESSY' MILLER
Mets - Baseball Prospectus
The End of Betances-Miller-Chapman and Life's Fleeting Perfection, by Charlie Scaturro
Yankees' Andrew Miller, Dellin Betances have special bond as two head to All-Star Game – New York Daily News
Yankees and Aroldis Chapman Accept the Inevitable - The New York Times
Aroldis Chapman, Dellin Betances and Andrew Miller are great, but they're not the best Yankees bullpen – New York Daily News
Yankees power rankings: Andrew Miller climbs, Aroldis Chapman joins
Yankees' playoff hopes hinge on answering bullpen question