TAMPA — Two days after Pat Murray missed an extra point in Monday's preseason win, the Bucs agreed to terms on a two-year contract with veteran K Conn or Barth , who was released Wednesday by the Broncos.Barth, 29, was Tampa Bay's kicker from 2009-12, hitting 91 field goals before he missed the 2013 season with a torn Achilles tendon. He kicked well for Denver at the end of last season, going 15-for-16 on field goals in five games and 15-for-15 on extra points.Last year, when the same two kickers competed in preseason, the Bucs kept Murray, shedding a $3 million salary by cutting Barth, but he now comes in with a much lower salary, making it a battle over the two remaining preseason games. His contract has a maximum value of $2.75 million; the league minimum for a player with his experience is $870,000.Murray, 24, who went 20-for-24 on field goals last year as a rookie, has missed two field goals in preseason in addition to Monday's missed extra point; he also connected on a 53-yard field goal against the Bengals.Coach Lovie Smith expressed his concern about the kicking game after Wednesday's practice, before the move was announced. "We didn't kick as well as I thought we should," he said, reiterating that the league's new, longer extra points are "not automatic." KICKING THE TIRES: The team signed Jake Schum as a third punter on the roster. He's another challenger to Michael Koenen , who ranked 32nd in the league in punt average last year and 29th in net punt average. Schum was waived by the Jets last week after averaging 51.3 yards in four punts in one preseason game; he had two stints with Tampa Bay last year but none in games."We brought Jacob in last year too, so we like him," Smith said. "He was available, we had a slot, so why not take a look at him? We'll continue to do that. That's what we've done since (GM) Jason ( Licht ) and I got here. We want competition at all spots."Koenen is also the team's holder on kicks. Backup QB Mike Glennon served as the holder on the first two kicks Monday.Undrafted rookie S Derrick Wells , who did not play Monday, was waived to make room for Schum. INJURY UPDATE: Four players who were sidelined last week — DE Jacquies Smith (shoulder), DE T.J. Fatinikun (leg), T Kevi n Pamphile (triceps) and S Chris Conte (hamstring) -- dressed and participated in practice, though in a limited capacity, leaving them uncertain for Saturday's game against the Browns."(They) were able to get a few reps back," Lovie Smith said. "They're not ready to go full speed or anything like that right now, but we're getting them back into the mix."DE Larry English didn't practice, but Smith said it was just soreness and he should be back today; C Evan Smith , who didn't play Monday due to a groin injury didn't practice but said the plan is for him to play Saturday. THIS AND THAT: LB Bruce Carter , moved to strongside when rookie Kwon Alexander took over at middle linebacker last week, was working as the starter at strongside during position drills Wednesday. "We like Bruce, of course," Smith said. " Danny Lansanah really played well in the game Monday night." … The team used DT Henry Melton as a starting end Monday due to injuries, and while he's versatile, he's still a tackle by position. "Henry can play inside. He can play outside," Smith said. "Sometimes injuries dictate how much he plays inside/outside. That was the case this past week. But once we get all the guys back, he'll probably be more inside than outside." … Of his team's 14 penalties for 153 yards in Monday's win, Smith said: "We just weren't disciplined enough. We're embarrassed by that. Believe me, we're going to correct it."