League Details included in signature.

Currently, I am ranked #1 going into the final 3 weeks, with #2 close on my heels and experiencing the harsh reality of losing Gronk for 6-8 weeks.
Do I offer up a package that strengthens my biggest competitor, while benefitting me in the follow years (as Gronk would be one of my 4 keepers).

This is the offer:

I send:
Frank Gore
JJ Watt
2nd Round Pick

To get his:
Rob Gronkowski

Hopefully this strengthens his team enough....to narrowly lose to me when playoffs start...

Thoughts?

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10 Team; Head-to-Head NFL. 4 Keepers for following year
QB- A.Rodgers (keeper)
RB1 - D.Martin (keeper)
RB2 - F.Gore
WR1 - P.Harvin (keeper)
WR2 - W.Welker (potential keeper)
TE - V.Davis
W/R/T - M.Wallace
W/R/T - J.Stewart
W/R/T - S.Smith (car)
BN - J.Jones
BN - A.Dalton
DB - P.Peterson
DB - A.Winfield
DL- J.Watt
LB - L.David
LB - D.Washington

Gronk is tempting but isn't it better to just win now?

Unless you think you can't win with Harvin hurt, and Pit QB situation a mess.

Who would you offer?

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Current: 3 NHL, 1 NBA
NHL winner '05,'07,'09,'11 (4/7)
NFL winner '10, '12 (2/3)

I am all about winning now. Yeah you have to think about the future somewhat with keepers, but if you think you have the team now to get it done I say go for it. Seeing how Watt is in the deal this is obviously an IDP league. Not sure how many points they produce in your league. Gronk would be huge to get in a keeper, but again if you have the chance this year go for it! Good luck!