PEORIA, Ariz. – It’s everything they’ve worked for or thought about since baseball became something more than just a game to play with their friends. It’s just 60 feet, 6 inches from their grasp, reliant on their ability to fire a baseball from that distance. It’s a goal fans want, and the Seattle Mariners need them to achieve. For Taijuan Walker and James Paxton, a place in the opening day rotation is there for them to take.