Rob Gronkowski wants you to know that he’s hyped about hosting the two-night WrestleMania in early April even if he’ll be doing it an empty studio.Gronk made his “SmackDown Live” debut Friday night, with friend/WWE Superstar Mojo Rawley serving as his hype man/guide in the ring. The former NFL star didn’t have any fans to hype up, of course; the Fox telecast was being produced inside an empty Performance Center because of the coronavirus pandemic. There was no one around to cheer (or jeer) this entrance:#GRONK is in the house!#SmackDown @RobGronkowski pic.twitter.com/9VN6qqUVx1— WWE (@WWE) March 21, 2020Or this promo, which was . . . a thing that Gronk did.Whether they’re in a sold-out stadium or the @WWEPC, @RobGronkowski and @MojoRawleyWWE STAY HYPED! #SmackDown pic.twitter.com/2NfdSVeTg1— WWE (@WWE) March 21, 2020″I’m here in front of zero people, AND I’M STILL HYPED, BABY!” he said in closing. MORE: WrestleMania 18 match grades: Reliving Hogan vs. The RockRawley jumped in and said that he’ll be watching Gronk’s back, because “the WWE, it’s a little different than the NFL, my friend. We don’t just get hit on the field here.”Don’t need a degree in reading NFL defenses to surmise from Rawley’s comment that Gronk may be doing some blocking and tackling in two weeks.