Buccaneers' Rob Gronkowski listed as doubtful with ribs injury for Week 4 matchup vs. Patriots | CBS Sports Headlines Buccaneers' Rob Gronkowski listed as doubtful with ribs injury for Week 4 matchup vs. Patriots Gronk may not play in his return to New England ESN FeedsThis post was originally published … Continue reading Buccaneers' Rob Gronkowski listed as doubtful with ribs injury for Week 4 matchup vs. Patriots