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TAMPA — Tuukka Rask, after taking a day away from the rink Sunday, was back in net for the 4-2 loss in Game 2 Monday night, and he kept both skate blades under him.

In Game 1, Rask lost his left blade with about 13:15 gone in the second period, leading to a crazy scramble that ended only when Mikhail Sergachev fired a puck by him to cut the Boston lead to 3-2.

Bruins president Cam Neely said here Monday that general manager Don Sweeney will bring up the lost-blade incident at the next league GM meetings, with an eye on such incidents leading to an immediate stop in play. The NHL rulebook currently allows refs to call for a stop in play only when a goalie loses his headgear.

“I think they’re going to have to look at this,’’ said Neely. “Maybe if we’d gained possession of the puck, they might have blown it down, I don’t know. But what, the goalie’s going to take his mask off if his blade comes off?’’

Or knock the net off its moorings, it was suggested to Neely. “Then you’ve got a potential two-minute penalty,’’ said Neely. “It’s going to be up for discussion, I imagine, among the GMs. If a goalie doesn’t realize his blade’s off, and he goes to push off, he could rip a groin. So it’s something that they’re definitely going to have to look at.’’

League protocol for a rule change is that GMs must first agree on a proposal, then advance it to the Board of Governors for ratification.

According to Rask, the officiating crew Saturday told him that they never heard him yelling that he was under duress.

“They didn’t hear him?’’ said an incredulous Anton Khudobin, Rask’s reliable backup. “Heck, I was sitting on the bench, halfway across the ice, and I heard him.’’

Tightening up

Time and space were not the Lightning’s friend in Game 1. Time and again, too much of both led to Boston goals in what became a 6-2 blowout Saturday in the opener of the best-of-seven Round 2 series.

The Lightning’s mission in Game 2: Take away time, take away space.

“You talk to any goal scorer,’’ noted Lightning coach Jon Cooper, “or any offensive guy, the more time and space they have, the more room they have out there, the more confident they are. The high-IQ hockey players are going to make plays.’’

Such was the case in the opener when Rick Nash and Patrice Bergeron each potted a pair of goals and David Pastrnak notched four assists. Boston’s top line of Brad Marchand-Bergeron-Pastrnak finished the day with a beefy 3-8—11 line, while the Lightning’s top guns all went home with clean sheets.

“These elite players,’’ mused Cooper, whose roster includes offensive stars such as Steven Stamkos and Nikita Kucherov, “if things don’t start going well for them in the first period, then it’s the second period and they don’t think they are getting anything done, frustration can set in. And that’s what we want to set in. We want that [to happen to Boston]. And I just don’t feel we did anything close to that in Game 1.’’

Tampa’s bid to contain Bergeron & Co. rested in the checking skills of a containment line of Brayden Point, Ondrej Palat, and Tyler Johnson, who left Amalie Arena with an eyesore minus-12, burned time and again by the skilled Bruins forwards who turned time and space into goals and assists.

The Tampa trio did a much better job Monday night, with the line combining for 7 points.

Not to be overlooked, however: The Lightning held a decided advantage in shots on net (36-24) and overall more than doubled Boston’s total shot attempts (78-37) in Game 1, and again in Game 2 (31-20 in shots).

The only shots that really count are those that go in the net, but the numbers made clear that the Lightning possessed the puck enough to win and the Bruins, despite the margin of victory, easily could have seen the score go upside-down.

“We have to expect they’ll have a plan in place to limit that [top line],’’ said Boston coach Bruce Cassidy before Game 2. “So that’s where the [David] Krejci line and even our third and fourth lines and our D will have to contribute some offense.’’

By Cassidy’s eye, the Bruins “gave them a lot of puck possession, and that’s going to be dangerous if we go down that road every night.’’

Off night at the dot

Bergeron went 11 for 23 (48 percent) in the faceoff circle in Game 2, an off night for Patrice The Thief. Meanwhile, Riley Nash won 8 of his 12 drops.

The Bruins landed only 20 shots on net and Bergeron had five of them, equaling the five that Tyler Johnson put on Rask.

Ex-Ranger Ryan McDonagh dealt out six hits, including one that decked Adam McQuaid with 5:27 gone in the first period.

No lineup changes

Cassidy, after noting that he is “not a guy who only changes the lineup when you lose,’’ used the same lineup in Game 2 he used in both the opener Saturday and in Game 7 vs. the Maple Leafs last Wednesday.

Nonetheless, Cassidy added that the coaching staff considered a change after Game 1. No telling what they may have considered, but either Tim Schaller or Noel Acciari might have been under the spotlight. Schaller finished with two shots on net, while Acciari didn’t attempt any.

Bruins fans have been eager to get another look at rookie Ryan Donato in the lineup. But with a 36-24 shot disparity in Game 1, the more defensive-minded Tommy Wingels might have been the one Cassidy and crew were considering.

Tremendous trio

With an assist on Torey Krug’s goal, Pastrnak took the lead in playoff scoring with 18 points (5-13-18).

Marchand ranked No. 4 (4-11-15), followed by Bergeron in fifth at 3-9-12.

In the Bruins’ successful Stanley Cup march of 2011, Bergeron collected 20 points over the four rounds, while Marchand logged 19.

Cassidy, who has been coaching for some 20 years, said he has not seen a line produce like his Marchand-Bergeron-Pastrnak trio.

“When they’re on, boy, are they on,’’ he said. “I haven’t see that with my own eyes, up front, behind the bench.

Thinking back over the years, Cassidy recalled the highly-potent Jari Kurri-Wayne Gretzky-Dave Semenko line with the great Oiler teams and the Al Secord-Denis Savard-Steve Larmer trio in Chicago, during his short stint trying to become a regular on the Blackhawk back line.