Complex sentence: For most of these three years, his new-ball partner was Eddie Phillipson, who was very similar in style and pace: both relied on accuracy rather than speed, using the seam of the ball, and generating some swing.
Split into simpler sentences: For most of these three years, his new-ball partner was Eddie Phillipson, who was very similar in style and pace. They both relied on accuracy rather than speed, using the seam of the ball, and generating some swing.