The Bears are preparing for the possibility Pat O'Donnell will not be available Sunday after punting at the end of all 10 of the team's possessions in the 26-0 loss to Seattle.
O'Donnell missed Wednesday's practice with a right knee injury and special teams coordinator Jeff Rodgers indicated the team would likely cover its bases to be prepared for Sunday's game at Soldier Field against the Oakland Raiders.
Two NFL sources told the Tribune that Spencer Lanning, who spent two seasons with the Cleveland Browns, was part of a tryout at Halas Hall. It is believed one other punter was involved in the tryout but his identity is not known. Lanning avareged 44.1 yards per punt in 2013 and 2014 with the Browns with a net of 38.8. He landed 53 punts inside the 20-yard line and forced 51 fair catches.
The workout also included veteran punter Steve Weatherford and long snapper Patrick Scales, according to ESPN.
Lanning, 27, also had a tryout with the Carolina Panthers earlier this week. He originally joined the NFL as an undrafted free agent with the Bears in 2011 when he had a strong showing as a camp leg with veteran Adam Podlesh on the roster. Lanning has also spent time with the Jacksonville Jaguars, New York Jets, Tampa Bay Buccaneers and Denver Broncos, who he was with this summer.
In a 2013 against the Vikings, Lanning became the first player in the NFL to have a punt, kick an extra point and throw a touchdown pass in the same game.
Weatherford, 32, has punted for nine seasons with the New York Giants, Jets, Jaguars, Kansas City Chiefs and New Orleans Saints. He's appeared in 142 career games with a gross average of 44.5 and a net of 37.8. He played in college at Illinois.
O'Donnell has averaged 47.6 yards per punt through three games. Had had a 72-yard punt at Seattle and while the Seahawks engineered a 64-yard return for Richard Sherman on a gadget play originally designed by former Bears special teams coordinator Dave Toub, they had only 9 yards in returns on the nine other punts by O'Donnell in that game.