Answer: No, there is no relationship between the number of homeruns and the years played.
Step-by-step explanation
If we consider (1, 17), (2, 30) only, then as x goes up, so does y.
But looking at (1, 17), (2, 30), (3, 15) we don't have this pattern going on. Notice the drop from y = 30 to y = 15 when looking at the last two points.
Use something like Desmos or GeoGebra to plot the points. It should help illustrate what is going on.