You are seeing a 20-year-old male patient who is collegiate baseball center fielder. The patient reports acute proximal thigh and groin pain that started when he was chasing a fly ball. Ultrasound of the proximal thigh reveals deep fiber disruption in the direct head of the rectus with a small hematoma. No defect is appreciated on examination. Which of the following is the most appropriate treatment?

• Corticosteroid injection, and immediate return to play
• Immobilization for 2 weeks, and a gradual return to play
• Platelet rich plasma injection and a gradual return to play
• Ice, non-steroidal anti-inflammatory drugs, progressive rehabilitation and return to play as symptoms allow