Panda it's the length of the contract I think. Look at Timber, you never know in life really. You get a 4 year deal, tear you knee, chances are your lvl will go down, or you won't reach your full potential. The next deal...well it won't be at the same lvl....
Look at Caicedo, 300k, until 2031 with an option for 1 year. Thats huge money