Hi,
just use the right type before the link then it works.
Code:
livestreamer "hds://http://hdliveextra-vh.akamaihd.net/z/HD/video_sports/NBCU_Sports_Group_-_nbcsports/55/143/K_U5szXIAgbWRquOwWyLD2k_VbqqpuB9_144754141,4576_208,6545_3600,7907_2400,3717_1500,5954_900,7364_650,5230_368,000.mp4.csmil/manifest.f4m?hdcore=3.1&b=0-4000" best
greetz