EXCLUSIVE: A marquee drama series package is heating up the marketplace. I hear Old Man, starring Samuel L. Jackson in his first TV series gig, from Black Sails co-creator Jonathan E. Steinberg, Fargo and Handmaid’s Tale executive producer Warren Littlefiueld and Fox 21 TV Studios, is being pitched to the major basic and pay cable networks and streaming platforms, including FX, TNT, HBO, Showtime, Netflix, Hulu and Amazon, with multiple offers already on the…