FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  WYNNEFIELD PARTNERS SMALL CAP VALUE LP I
2. Date of Event Requiring Statement (Month/Day/Year)
07/07/2017
3. Issuer Name and Ticker or Trading Symbol
MusclePharm Corp [MSLP]
(Last)
(First)
(Middle)
450 SEVENTH AVENUE, SUITE 509
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10123
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, par value $0.001 per share 751,761
D (1)
 
Common Stock, par value $0.001 per share 879,544
I
See footnotes (2) (3) (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
WYNNEFIELD PARTNERS SMALL CAP VALUE LP I
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    
WYNNEFIELD PARTNERS SMALL CAP VALUE LP
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    
WYNNEFIELD SMALL CAP VALUE OFFSHORE FUND LTD
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    
Wynnefield Capital, Inc. Profit Sharing Plan
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    
WYNNEFIELD CAPITAL MANAGEMENT LLC
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    
WYNNEFIELD CAPITAL INC
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    
OBUS NELSON
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    
LANDES JOSHUA
450 SEVENTH AVENUE
SUITE 509
NEW YORK, NY 10123
    X    

Signatures

WYNNEFIELD PARTNERS SMALL CAP VALUE, L.P. I By: Wynnefield Capital Management, LLC General Partner, By: /s/ Nelson Obus, Managing Member 07/10/2017
**Signature of Reporting Person Date

WYNNEFIELD PARTNERS SMALL CAP VALUE, L.P. By: Wynnefield Capital Management, LLC General Partner, By: /s/ Nelson Obus, Managing Member 07/10/2017
**Signature of Reporting Person Date

WYNNEFIELD SMALL CAP VALUE OFFSHORE FUND, LTD. By: Wynnefield Capital, Inc., By: /s/ Nelson Obus, President 07/10/2017
**Signature of Reporting Person Date

WYNNEFIELD CAPITAL MANAGEMENT, LLC, By: /s/ Nelson Obus, Managing Member 07/10/2017
**Signature of Reporting Person Date

WYNNEFIELD CAPITAL, INC., By: /s/ Nelson Obus, President 07/10/2017
**Signature of Reporting Person Date

WYNNEFIELD CAPITAL, INC. PROFIT SHARING AND MONEY PURCHASE PLANS, INC., By: /s/ Nelson Obus, Authorized Signatory 07/10/2017
**Signature of Reporting Person Date

/s/ Nelson Obus, individually 07/10/2017
**Signature of Reporting Person Date

/s/ Joshua Landes, individually 07/10/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Wynnefield Partners Small Cap Value LP I (the "Reporting Person") directly beneficially owns 751,761 shares of common stock, $0.001 par value per share ("Common Stock") of MusclePharm Corporation (the "Issuer"). Wynnefield Capital Management, LLC, as the sole general partner of the Reporting Person, has an indirect beneficial ownership interest in the shares of Common Stock that the Reporting Person directly beneficially owns. Nelson Obus and Joshua Landes, as co-managing members of Wynnefield Capital Management, LLC, have an indirect beneficial ownership interest in the shares of Common Stock that the Reporting Person directly beneficially owns.
(2) The Reporting Person has an indirect beneficial ownership interest in 483,213 shares of Common Stock, which are directly beneficially owned by Wynnefield Partners Small Cap Value, L.P., as members of a group under Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Wynnefield Partners Small Cap Value, L.P. , which maintains offices at the same address as the Reporting Person, is filing this statement jointly with the Reporting Person. Wynnefield Capital Management, LLC, as the sole general partner of Wynnefield Partners Small Cap Value, L.P. , has an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Partners Small Cap Value L.P. directly beneficially owns. Nelson Obus and Joshua Landes, as co-managing members of Wynnefield Capital Management, LLC, have an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Partners Small Cap Value, L.P. directly beneficially owns.
(3) The Reporting Person has an indirect beneficial ownership interest in 356,331 shares of Common Stock, which are directly beneficially owned by Wynnefield Small Cap Value Offshore Fund, Ltd., as members of a group under Section 13(d) of the Exchange Act. Wynnefield Small Cap Value Offshore Fund, Ltd., which maintains offices at the same address as the Reporting Person, is filing this statement jointly with the Reporting Person. Wynnefield Capital, Inc. as the sole investment manager of Wynnefield Small Cap Value Offshore Fund, Ltd., has an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Small Cap Value Offshore Fund, Ltd. directly beneficially owns. Nelson Obus and Joshua Landes, as principal executive officers of Wynnefield Capital, Inc., have an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Small Cap Value Offshore Fund, Ltd. directly beneficially owns.
(4) The Reporting Person has an indirect beneficial ownership interest in 40,000 shares of Common Stock, which are directly beneficially owned by Wynnefield Capital, Inc. Profit Sharing Plan, as members of a group under Section 13(d) of the Exchange Act. Wynnefield Capital, Inc. Profit Sharing Plan, which maintains offices at the same address as the Reporting Person, is filing this statement jointly with the Reporting Person. Nelson Obus, as the portfolio manager of Wynnefield Capital, Inc. Profit Sharing Plan, has an indirect beneficial ownership interest in the shares of Common Stock that Wynnefield Capital, Inc. Profit Sharing Plan directly beneficially owns.
 
Remarks:
Each of the Reporting Owners identified in this statement disclaims beneficial ownership of the securities described in this statement, except to the extent of their individual respective pecuniary interest in such securities. The filing of this statement shall not be deemed an admission that any of the Reporting Owners identified in this statement are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of any securities specified in this statement other than those directly beneficially owned by them.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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