Sylvester Stallone feels “fortunate” to have been a part of Carl Weathers’ life. The actor starred as Apollo Creed in the ‘Rocky’ film franchise, and his former co-star has taken to social media to pay tribute to Weathers, after he passed away aged 76. In a video message posted on Instagram, Stallone said: “Hello everyone, today is an incredibly sad day for me. I’m so torn up I can’t even tell you. I’m just trying to hold it in because … Carl Weathers was such an integral part of my life, my success, everything about it. “I give him incredible credit and kudos because … when he walked into…