五星体育直播

Exhibit 5.1

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	听听	140 Scott Drive
	听听	Menlo Park, California 94025
	听听	Tel:听+1.650.328.4600听Fax:听+1.650.463.2600
	听听	www.lw.com
	听听	FIRM / AFFILIATE OFFICES
	听听	Beijing	听听	Moscow
	听听	Boston	听听	Munich
	听听	Brussels	听听	New听York
	听听	Century听City	听听	Orange听County
	听听	Chicago	听听	Paris
	听听	Dubai	听听	Riyadh
March听1, 2019	听听	顿眉蝉蝉别濒诲辞谤蹿	听听	Rome
	听听	Frankfurt	听听	San听Diego
	听听	Hamburg	听听	San听Francisco
	听听	Hong听Kong	听听	Seoul
	听听	Houston	听听	Shanghai
	听听	London	听听	Silicon听Valley
	听听	Los听Angeles	听听	Singapore
	听听	Madrid	听听	Tokyo
	听听	Milan	听听	Washington,听D.C.

五星体育直播

200 Penobscot Drive

Redwood City, CA 94063

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Ladies and Gentlemen:

We have acted as special counsel to 五星体育直播, a Delaware corporation (the 聯Company聰), in connection with the registration by the Company of 2,162,589 shares of common stock of the Company, par value $0.0001 per share (the 聯Shares聰), issuable under the Company聮s 2010 Equity Incentive Award Plan (the 聯2010 Plan聰). The Shares are included in a registration statement on Form S-8 under the Securities Act of 1933, as amended (the 聯Securities Act聰), filed with the Securities and Exchange Commission (the 聯Commission聰) on March听1, 2019 (the 聯Registration Statement聰). This opinion is being furnished in connection with the requirements of Item听601(b)(5) of Regulation S-K under the Securities Act, and no opinion is expressed herein as to any matter pertaining to the contents of the Registration Statement or the prospectus forming a part thereof, other than as expressly stated herein with respect to the issuance of the Shares.

As such counsel, we have examined such matters of fact and questions of law as we have considered appropriate for purposes of this letter. With your consent, we have relied upon certificates and other assurances of officers of the Company and others as to factual matters without having independently verified such factual matters. We are opining herein as to the General Corporation Law of the State of Delaware, and we express no opinion with respect to any other laws.

Subject to the foregoing and the other matters set forth herein, it is our opinion that, as of the date hereof, when the Shares shall have been duly registered on the books of the transfer agent and registrar therefor in the name or on behalf of the purchasers, and have been issued by the Company against payment therefor (not less than par value) in the circumstances contemplated by and pursuant to the 2010 Plan, and assuming in each case that the individual

March 1, 2019

Page 2

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issuances, grants or awards under the 2010 Plan are duly authorized by all necessary corporate action of the Company and duly issued, granted or awarded and exercised in accordance with the requirements of law and the 2010 Plan (and the agreements and awards duly adopted thereunder and in accordance therewith), the issuance and sale of the Shares will have been duly authorized by all necessary corporate action of the Company, and the Shares will be validly issued, fully paid and non-assessable. In rendering the foregoing opinion, we have assumed that the Company will comply with all applicable notice requirements regarding uncertificated shares provided in the General Corporation Law of the State of Delaware.

This opinion is for your benefit in connection with the Registration Statement and may be relied upon by you and by persons entitled to rely upon it pursuant to the applicable provisions of the Securities Act. We consent to your filing this opinion as an exhibit to the Registration Statement. In giving such consent, we do not thereby admit that we are in the category of persons whose consent is required under Section听7 of the Securities Act or the rules and regulations of the Commission thereunder.

Very truly yours,

/s/ Latham听& Watkins LLP