JeffJEFFREY D. GUERRIERO has negotiated over 130 NFL player contracts and represented NFL General Managers and other pro personnel. Jeff has negotiated contracts for players in virtually every position with almost every team in the NFL. Jeff is not only known for his tough negotiating skills, but also for his honesty and integrity.

Jeff has established excellent relationships and invaluable contacts with scouts, pro personnel, general managers, and coaches within the football community. Jeff has earned great respect in his professional and personal life. Jeff’s dedication to his clients and work ethic are unparalleled. Since 1998, Jeff has represented over 100 professional football players and considers all of them to be part of his family.



ELIZABETH J. GUERRIERO brings over 25 years of contract drafting and negotiating experience to the table. Elizabeth has taught contract and business law at the University of Louisiana at Monroe for over 20 years.

She brings a wealth of contract experience to ProSource, having negotiated tax settlements with the IRS, production contracts with major television networks including VIACOM (Spike TV) and international movie distribution deals.

Elizabeth works with Jeff on all player contract negotiations and reviews all contract language prior to execution. Elizabeth also drafts all specially negotiated contract provisions and drafts/reviews all player endorsement, marketing and other contracts.


Premium living accommodations
• Rental car
• Healthy daily meals and snacks tailored to each player’s personal taste and nutritional needs
• Nutritional counseling
• One-on-one position coaching
• Core fundamental training
• Mobility & Flexibility exercises
• MultiHdirectional Speed drills
• Physical therapy
• Massage therapy
• Sports Psychology
• Start & First Step
• Exercise Program based on individual goals and strengths, such as: Absolute Speed, Acceleration Athletic Weight Reduction/Gain, Biomechanics, Energy System Development, Explosive power, Hands-on Flexibility, Hydro Therapy, Increasing Lean Body Mass, Linear Speed


  • Total monetary contract value
  • Signing Bonus
  • Guarantees
  • Performance incentives
  • Disability/injury terms
  • Contract extensions

• Seek out lucrative marketing deals and commercials for clients
• Negotiate all contract terms
• Provide full follow up to insure client receives all payments and incentives

• Build client “branding”
• Create media publications and exposure
• Assist client’s charitable endeavors

• Hiring of certified financial planner/manager
• Automatic bill payment
• Establishment and maintenance of good credit rating
• Planning for retirement

• Apartment/Condominium lease agreements
• Home purchase agreements; review of comparable sales; financing terms
• Negotiation of car deals; pricing and financing