Exercises:

Box Jump
Squat Jumps
Walking Lunges
Single-Leg Squats
Bodyweight Squats

Sources Used:

http://www.prevention.com/fitness/strength-training/best-strength-training-exercises-youre-not-doing
http://running.competitor.com/2014/01/training/the-four-best-strength-training-exercises-for-runners_40725/5