The weigh-ins for UFC Fight Night 91 took place Tuesday, July 12th, live from the Denny Sanford Premier Center in Sioux Falls, South Dakota at 5:00 PM ET.

Main Card (Live on Fox Sports 1)

-Michael McDonald (135) vs. John Lineker (136)

-Tony Ferguson (155) vs. Landon Vannata (155)

-Tim Boetsch (186) vs. Josh Samman (186)

-Daniel Omielaczuk (248) vs. Oleksiy Oliynyk (243.5)

-Kyle Noke (170.5) vs. Keita Nakamura (171)

-Louis Smolka (125.5) vs. Ben Nguyen (125.0)

Preliminary Card (Live Fox Sports 1)

-Lauren Murphy (135.5) vs. Katlyn Chookagian (135)

-Eric Spicely (185) vs. Sam Alvey (185.5)

-Cortney Casey (116) vs. Cristina Stanciu (114)

-Scott Holtzman (155.5) vs. Cody Pfister (155)

Preliminary Card (Live on UFC Fight Pass)

-Rani Yahya (135) vs. Matthew Lopez (136)

-Devin Clark (185) vs. Alex Nicholson (184)