Since MSG 2 is usually hard to find on the many cable systems that carry MSG, here is a link to the channels that will carry tonights game.
http://www.msg.com/overflow/b-channel-info.html

Overflow Games Schedule
If you are looking for your favorite local team and it is not available on MSG or FSN NY, we're here to help. For channel information, please select the game below.

Channel Information
Cable System Location MSG 2
ACCESS ADVISORY Oronoque Village Apts. , CT 56
CABLEVISION Most areas (unless noted below) 14
CABLEVISION iO 414
CABLEVISION CT: Norwalk / Bridgeport/New Haven 24 or 1
CABLEVISION CT: Litchfield 2
CABLEVISION Port Chester 15
CABLEVISION Rockland 15 / 75
CABLEVISION So. Westchester 15
CABLEVISION Yorktown 15
CABLEVISION NJ: Elizabeth 15 / 78
CABLEVISION NJ: Hamilton 77
CABLEVISION NJ: Jackson 78
CABLEVISION NJ: Oakland/Ramapo 18 / 79
CABLEVISION NJ: Raritan Valley 18
CHARTER COMMUNICATIONS Newtown/Winsted, CT *
COMCAST CABLE Branford/Canaan, CT *
COMCAST CABLE Danbury, CT *
COMCAST CABLE Carmel, CT *
COMCAST CABLE New Haven, CT *
COMCAST CABLE Seymour/Waterbury, NY *
COMCAST CABLE Central-NY 10
COMCAST CABLE Central-Phi 20
COMCAST CABLE Jersey City, NJ 60
COMCAST CABLE Long Beach Island, NJ 78
COMCAST CABLE Meadowlands, NJ 16
COMCAST CABLE Monmouth, NJ 51
COMCAST CABLE NW - Port Murray, NJ 6
COMCAST CABLE Ocean County, NJ 37
COMCAST CABLE Plainfield, NJ 20
COMCAST CABLE Toms River, NJ 29
COMCAST CABLE Trenton, NJ 75
COMCAST CABLE Union, NJ 18
COMCAST CABLE Princeton, NJ 34
COMCAST CABLE Long Hill/Somerset, NJ 21
JAVDECK, INC. Fountainhead Apts., NJ 35
MTC CABLE Margaretville, NY 10
RCN Manhattan/Queens, NY 42

SATELLITE TV OF NY Coop City, NY 25
SERVICE ELECTRIC CABLE TV Hunterdon/Phillipsburg, NJ 50
SERVICE ELECTRIC CABLE TV Sparta, NJ 79
TIME WARNER - NYC DIVISION NYC 51
TIME WARNER - NYC DIVISION Bergen, NJ 34
TIME WARNER - NYC DIVISION Hudson Valley 72
TIME WARNER - NYC DIVISION Mount Vernon, NY 50
TIME WARNER - ALBANY Albany Area, NY 3 or 1
TIME WARNER - ROCHESTER Finger Lakes, NY 235
TIME WARNER Auburn, NY 12
TIME WARNER Binghamton, NY 12
TIME WARNER Central, NY 76
TIME WARNER Corning/Elmira, NY 99 or 1
TIME WARNER Cortland, NY 98
TIME WARNER East (Rome/Oneida/Ilion), NY 96
TIME WARNER Hornell, NY 6
TIME WARNER Ithaca/Candor, NY 11
TIME WARNER Montrose, NY 98
TIME WARNER North Country, NY 96
TIME WARNER Oneonta/Norwich, NY 56
TIME WARNER Sayre, NY 18
TIME WARNER Tri Lakes, NY 33
TIME WARNER Utica/Old Forge, NY 95
TIME WARNER Watertown, NY 96
US CABLE Paramus/Hillsdale, NJ 20
WVT COMMUNICATIONS Hometown Online, Inc., NY 118
DIRECTV 10/10 - Knicks at Philadelphia 637
DISH NETWORK 10/10 - Knicks at Philadelphia 446
VERIZON FiOS TV 321
AT&T U-verse, Connecticut 709

*Please contact your cable provider for channel information if not listed.
NYC2BGI

So I probably see it on channel 14? Living on Long Island.